History of the Pokémon world (anime)

A map of the Hoenn, Johto, Kanto, and Sinnoh regions in the anime; locations of movies are deliberately marked, and labeled Pokémon are positioned in relation to the locations of certain episodes.

This is a chronological list of significant events in the anime and the episodes which they occurred in, or, for events which happened outside the series, where they happened in relation to the episodes.

Timeline

Pre-series

The order of many of these events is approximated and debatable.

Time	Details
The beginning of time	Arceus appears in the darkness in the form of an Egg. After hatching, it creates the universe. (M12)
4,600,000,000 years prior	Creation of Pokémon world, referenced by Bill. (EP013)
2,000,000 years prior	First Pokémon, as dated by archaeology. (EP163) The Meteonite enters Earth's atmosphere and breaks up with the largest fragment impacting into the landmass that would become the Unova region.
2,000 years prior	A war breaks out. Soldiers leave Kanto by ship. (EP020) A woman dies while waiting for her lover to return at Maiden's Peak, creating a haunted monument. (EP020) Sir Aaron tries to stop a war. He seals his Lucario in a staff. (M08)
1,000 years prior	A war breaks out in the form of a clash between the Hero of Truth and Hero of Ideals, pitting Reshiram and Zekrom against each other and resulting in the devastation of the Kingdom of the Vale. (M14) Using power borrowed from Victini, the King of the People of the Vale moves his castle from the Kingdom of the Vale to the site where Eindoak Town will later be founded, then dies, trapping Victini in the area. (M14)
500 years prior	The Artificial Pokémon, Magearna, is created by Nikola. (M19)
400 years prior	Azalea Town experiences a devastating drought that ends when a Slowpoke's yawn brings rain, prompting the town's people to begin a time-honored tradition of respect for all Slowpoke. (EP142)
300 years prior	The Orange League takes place for the first time. (EP095) The captain wins the Orange League. The captain's ship gets caught in a storm and sinks.
200 years prior	Early versions of Poké Balls are used. (EP232) Lokoko's master, who looks identical to Brock, leaves his home in Johto to go on a journey. He never returns. (EP232) A Ninetales is left waiting for Lokoko's master's return at his mansion. Years later, it realizes that he won't be coming back and tries to leave, but is unable to, as its Poké Ball remains in the mansion. (EP232)
100 years prior to XY	Hoopa Unbound causes a great clash of Pokémon that nearly destroys Dahara City. (M18)
50 years prior	Samuel Oak is born. (M04)
40 years prior	Samuel Oak goes on his Pokémon journey. (M04)
30 years prior	Kaiser reports the existence of a Dratini in the Safari Zone. Thousands of people come there to try catching the rare Pokémon, literally destroying the Safari Zone in the process. Since then, only Safari Balls are allowed to be used there. (EP035)
29 years prior	Delia is born.
20 years prior	Grings Kodai touches the Time Ripple, laying all of Crown City's plant life to waste. Kodai starts to have visions of the future, and Celebi stops visiting Crown City. (M13)
???	Samuel Oak becomes a Professor. Delia and Spencer study as students of Professor Oak. (M03) Jessie is born. James is born. James is arranged to marry Jessebelle. (EP048) James runs away from home. (EP048) Jessie's mother, Miyamoto, is sent on a mission to catch Mew. She vanishes without a trace. (The Birth of Mewtwo) James catches a Carnivine at the Great Marsh. (DP082) Daisy is born. Violet is born. Lily is born. Johanna wins the Sinnoh Grand Festival and becomes a Top Coordinator.
15 years prior	Brock is born.
15 years prior to BW	Cilan, Chili, and Cress are born.
???	Tracey is born. Clemont is born. Kiawe is born. Mallow is born. Jessie and James enroll in a school called Pokémon Tech. They both drop out shortly after. (EP009) Jessie and James join a bicycle gang in Sunnytown. (EP036)
11 years prior to DP	Paul is born.
10 years prior	Misty is born. (EP003) Ash is born. (EP001) Gary is born. (EP001)
10 years prior to AG	May is born. (AG001)
10 years prior to DP	Dawn is born. (DP001)
10 years prior to BW	Trip is born. (BW001) Iris is born. (BW002)
10 years prior to XY	Serena is born. The Lost Hotel is opened. (XY081)
???	Forrest is born. The rest of Brock's siblings are born afterwards, apparently each about a year or less apart. Lana is born. Lillie is born. Sophocles is born.
7 years prior to AG	Max is born.
Less than 10 years prior to XY	Bonnie is born.
5 years prior	Brock receives his first Pokémon, an Onix, from Flint as a present for his tenth birthday. (AG034) Molly Hale is born.
4 years prior to SM	Lillie is nearly abducted by a Nihilego, but she is rescued by a Silvally. The traumatic experience makes her afraid of touching Pokémon. (SM049)
???	Meowth meets Meowzie. (EP070) Meowth learns to talk and walk on two legs. (EP070) Meowth is rejected by Meowzie and joins Team Rocket. (EP070) Jessie and James join Team Rocket. (SS012) Jessie receives an Ekans as a chūgen present (birthday present in the dub). (EP017) James receives a Koffing as an oseibo present (Christmas present in the dub). (EP017) Brock catches a Geodude. Flint leaves Pewter City to train, leaving the Pewter Gym in the hands of his oldest son, Brock. (EP005) Lola leaves Pewter City out of boredom, leaving her children in the hands of her oldest son, Brock. (EP005) In the dub of EP005, Flint says Lola died at this point, rather than leaving. In subsequent episodes where Lola appears, the dub follows the original with Lola leaving home and leaving everything in Brock's care. Misty catches Goldeen, Staryu, and Starmie. Tracey catches Venonat and Marill. Iris catches a Drilbur, which then evolves into Excadrill and starts disobeying her. (BW033) Misty leaves Cerulean City to train, leaving the Cerulean Gym in the hands of Daisy, Lily, and Violet. (EP007) Serena is sent to Pallet Town in Kanto against her will, to attend a summer camp hosted by Professor Oak. She gets lost in a nearby forest, and hurts her knee, where she meets Ash and is rescued and led back to the camp by him. (XY007) Clemont befriends a Shinx when studying in an academy specializing in Electric-type Pokémon. It later evolves into a Luxio. (XY048) Zoey finds a Glameow in an alleyway of Snowpoint City and raises it with Candice. (DP126) Cilan, Chili, and Cress become Gym Leaders of the Striaton Gym. They catch their Pansage, Pansear, and Panpour, respectively. Cilan becomes a licensed A-Class Pokémon Connoisseur. Clemont becomes Gym Leader of the Lumiose Gym. He catches his Magnemite, Magneton, and Helioptile, which he later evolves into a Heliolisk. Iris receives a newly hatched Axew from the elder of the Village of Dragons. (BW009) Alain leaves Sycamore Pokémon Lab, allies with Lysandre, and achieves Mega Evolution with his Charizard. (SS029 & SS031) Mairin starts her Pokémon journey with Chespin, nicknamed Chespie. (SS029) Kiawe completes Olivia's grand trial, and receives a Z-Ring and Charizard from his grandfather. (SM002, SM011) Mallow catches Bounsweet. (SM003) Ash wins a Pokémon League Expo hat. (EP025)
1 year prior to DP	Paul turns 10 and begins his Pokémon journey. He chooses Turtwig as his starter. (DP040)
Less than 1 year prior	Ash and Gary find an old Poké Ball while fishing, breaking it in half after arguing who will get it. (EP269)
Less than 1 year prior to DP	Paul enters the Kanto, Johto, and Hoenn Leagues, but doesn't win any of them. Paul catches his Elekid, Murkrow, Weavile, Ninjask, and Chimchar. Paul's Turtwig evolves into Grotle and then Torterra. Zoey competes in three Pokémon Contests and wins one of them.
Less than 1 year prior to XY	Clemont creates Clembot which then Clemont answered his voice code incorrectly which lead to him and Bonnie fleeing from the Gym. (XY009) Clemont catches a Bunnelby. (XY088) Shauna, Trevor, and Tierno start their Pokémon journeys with Bulbasaur, Charmander, and Squirtle, respectively. (XY039)
Less than 1 year prior to SM	Lana rescues a Popplio from Team Skull Grunts, and it joins her party. (SM005)

Original series

Kanto

Episode	Details
Pokémon, I Choose You!	Ash and Gary begin their Pokémon journeys. Gary starts his journey with a Squirtle.* Ash starts his journey with a disobedient Pikachu, a Pokédex, and six Poké Balls. Ash tries and fails to catch a Pidgey. Ash meets Misty for the first time. Ash steals Misty's bike, which is destroyed when Pikachu defeats a flock of angry Spearow. Ash and Pikachu become friends. Ash sees a mysterious Pokémon. Ash reaches Viridian City.
Pokémon Emergency!	Ash visits a Pokémon Center and meets a Nurse Joy and an Officer Jenny for the first time. Misty introduces herself to Ash and declares that she will follow him until he repays the damages to her bike. Ash and Misty meet Jessie and James, two members of the villainous Team Rocket, along with their partner, a talking Meowth. Misty is revealed to own a Goldeen. Team Rocket decides to follow Ash and steal his Pikachu. Ash prepares to catch a Caterpie.
Ash Catches a Pokémon!	Ash catches a Caterpie, making it his first caught Pokémon. Ash also catches a Pidgeotto. Team Rocket reveals to Ash their intention to steal his Pikachu. Meowth is revealed to know Fury Swipes. Ash has his first, although unofficial, battle, and wins. James's Koffing is revealed to know Sludge. Jessie's Ekans is revealed to know Dig. Ash's Caterpie evolves into Metapod.
Challenge of the Samurai	Ash tries and fails to capture a Weedle. Ash has his first fair battle, with no official winner. Ash's Pidgeotto is revealed to know Sand-Attack. Ash's Metapod is revealed to have learned Harden. Meowth is revealed to know Scratch. Ash's Metapod evolves into Butterfree and learns Sleep Powder.
Showdown in Pewter City	Ash and Misty reach Pewter City and meet Brock, the Pewter Gym Leader. Ash has his first Gym battle at the Pewter Gym. Ash forfeits his battle against Brock, suffering his first loss. Ash's Pikachu learns Thunderbolt. Ash has a rematch with Brock, but eventually forfeits again. Brock follows Ash and gives him his first Badge, the Boulder Badge. Brock joins Ash and Misty.
Clefairy and the Moon Stone	Brock catches a Zubat. Misty is revealed to own a Staryu. Ash's Butterfree and Pidgeotto are revealed to know Whirlwind. Jessie's Ekans is revealed to know Bite. James's Koffing is revealed to know Tackle. Brock's Onix is revealed to know Dig. Brock encounters Team Rocket for the first time.
Water Flowers of Cerulean City	Ash reaches Cerulean City and meets Daisy, Violet, and Lily, the Cerulean Gym Leaders, for the first time. Ash finds out that Gary and the other two Pallet Town Trainers have already defeated the Cerulean Gym. Ash learns that Misty is also one of Cerulean City's Gym Leaders and that Daisy, Violet, and Lily are her sisters. Ash and Misty battle each other for the first time. Misty's Staryu is revealed to know Tackle. Misty is revealed to own a Starmie. Ash's Butterfree is revealed to know Stun Spore. Ash's Pidgeotto is revealed to know Wing Attack. Ash and Misty's Gym battle ends in a no-contest, due to the interruption by Team Rocket. Ash gets the Cascade Badge from Misty's sisters for protecting the Gym from Team Rocket.
The Path to the Pokémon League	Ash learns that there is a Gym in Vermilion City. Meowth is revealed to know Bite. Jessie's Ekans is revealed to know Wrap.
The School of Hard Knocks	Jessie and James are revealed to have been flunked out of the Pokémon Tech in the past. Misty's Starmie is revealed to know Water Gun.
Bulbasaur and the Hidden Village	Misty tries and fails to catch an Oddish. Ash catches a Bulbasaur.
Charmander the Stray Pokémon	Ash catches a Charmander.
Here Comes the Squirtle Squad	The lead Squirtle from the Squirtle Squad chooses to join Ash on his journey.
Mystery at the Lighthouse	Ash catches a Krabby. Ash learns that a Trainer can only have six Pokémon on hand at once, and that his extras are automatically sent to reside at Professor Oak's Laboratory. Gary is revealed to have caught a giant Krabby and own a total of 45 Pokémon. Ash and his friends meet Bill.
Electric Shock Showdown	Ash and his friends arrive at Vermilion City and meet the local Gym Leader, Lt. Surge. Ash has a Gym battle with Lt. Surge, but is defeated. Ash receives a Thunder Stone from Nurse Joy. Ash's Pikachu refuses to evolve into Raichu. Ash's Pikachu learns Agility and Quick Attack. Ash challenges Lt. Surge to a rematch and wins, earning a Thunder Badge.
Battle Aboard the St. Anne	Ash and his friends set off on a cruise aboard the St. Anne luxury liner. Ash trades his Butterfree for a Gentleman's Raticate, but later trades back. James buys a Magikarp from the Magikarp salesman. The St. Anne sinks with Ash, Misty, Brock, and Team Rocket on board.
Pokémon Shipwreck	Jessie's Ekans is revealed to know Acid. James's Magikarp is revealed to know Splash. Ash, his friends, and Team Rocket escape from the sunken St. Anne. James's Magikarp evolves into Gyarados, learns Dragon Rage, and leaves him.
Island of the Giant Pokémon	Jessie and James reveal that Ekans and Koffing were given to them as chūgen (the Ghost Festival) and oseibo (Year-End gift giving) presents, respectively.
Beauty and the Beach	Misty and Brock meet Professor Oak in person and also Delia for the first time. Misty also meets Gary for the first time.
Tentacool and Tentacruel	Misty catches a Horsea.
The Ghost of Maiden's Peak	James's Koffing is revealed to know Poison Gas.
Bye-Bye Butterfree	Ash releases his Butterfree so it can breed with its mate.
Abra and the Psychic Pokémon	Ash and his friends reach Saffron City and meet Sabrina, the Psychic-type Gym Leader. Sabrina's Abra evolves into Kadabra. Ash's Pikachu is revealed to know Thunder. Ash battles Sabrina but loses by forfeit. Ash heads to Lavender Town to catch a Ghost Pokémon so he could be stronger against Sabrina's Kadabra.
The Tower of Terror	Ash and his friends arrive at Lavender Town. Ash's Charmander is revealed to know Leer. Ash befriends a Haunter, who agrees to follow him back to Saffron City.
Haunter Versus Kadabra	Ash returns to Saffron City to battle Sabrina again. Haunter disappears before the rematch, forcing Ash to forfeit again. Ash finds Haunter, but it disappears again when Ash tries to challenge Sabrina once more. Pikachu battles Sabrina's Kadabra to protect Ash. Ash earns the Marsh Badge due to Haunter making Sabrina and Kadabra laugh, thus making the latter unable to battle. Haunter leaves Ash to stay with Sabrina. Ash learns that the next Gym is located in Celadon City and decides to head there.
Primeape Goes Bananas	Gary is revealed to have won five Badges. Ash tries and fails to catch a Mankey. The Mankey that Ash tried to catch evolves into a Primeape. Ash's Bulbasaur is revealed to know Razor Leaf. Ash's Charmander learns Rage. Ash catches the newly evolved Primeape. Ash and his friends reach Celadon City.
Pokémon Scent-sation	Ash and his friends meet Erika, the Celadon City Gym Leader. Ash challenges Erika to a Gym battle, but it gets disrupted by a Team Rocket-caused fire. Ash's Charmander is revealed to know Skull Bash. Ash earns the Rainbow Badge from Erika as a thanks for saving her Gloom from the fire.
Hypno's Naptime	Misty accidentally catches a Psyduck.
Pokémon Fashion Flash	Ash and his friends meet Suzie, a Pokémon Breeder. Brock's Geodude is revealed to know Seismic Toss. Brock receives a Vulpix from Suzie.
The Punchy Pokémon	Ash's Primeape begins to obey him. Primeape is revealed to know Scratch, Mega Kick, and Seismic Toss. Ash wins the P1 Grand Prix with Primeape. Ash leaves his Primeape with Anthony for training.
Sparks Fly for Magnemite	Ash catches a Muk, but sends it to Professor Oak's Laboratory due to its nasty smell.
Dig Those Diglett	Ash learns that the next Gym is the Fuchsia Gym. Jessie's Ekans evolves into Arbok. James's Koffing evolves into Weezing. Misty and Brock meet Gary for the first time (dub only).
The Ninja Poké-Showdown	Ash and his friends arrive at the Fuchsia Gym and meet the Gym Leader Koga, and his sister, Aya. Ash challenges Koga to a Gym battle, but the battle is interrupted by Team Rocket. Misty's Psyduck battles for the first time and is revealed to know Tail Whip, Scratch, Disable, and Confusion. Ash's Bulbasaur is revealed to know Leech Seed. Ash's Charmander is revealed to know Ember and Fire Spin. Ash continues his battle with Koga and wins, earning a Soul Badge.
The Flame Pokémon-athon	Jessie's Arbok is revealed to know Poison Sting and Glare.
The Kangaskhan Kid	Jessie tries and fails to catch a Kangaskhan. Ash's Squirtle is revealed to know Skull Bash.
EP035	Ash and his friends enter the Safari Zone and receive thirty Safari Balls to be used within the Zone. Ash uses his Safari Balls to catch thirty Tauros, all of which he subsequently sends to Professor Oak's Laboratory. Ash also tries to catch a Rhyhorn, but the Safari Ball hits a bypassing Tauros, catching it instead.
The Bridge Bike Gang	Jessie and James are revealed to have been members of a bicycle gang in the past. Misty's Psyduck is revealed to be able to use Confusion and Disable only when its headache is severe enough.
Ditto's Mysterious Mansion	Ash and his friends meet Duplica.
EP038	Jessie takes a prototype Porygon from Dr. Akihabara, but later accidentally leaves it.
Pikachu's Good-Bye	Ash attempts to release Pikachu, but Pikachu returns to him.
Holiday Hi-Jynx	Ash attempts to capture a Jynx, but fails since she belongs to another Trainer.
The Battling Eevee Brothers	Misty's Psyduck is revealed to know Water Gun.
Wake Up Snorlax!	Ash fails to catch a Snorlax.
The March of the Exeggutor Squad	Ash's Charmander evolves into a Charmeleon.
The Problem with Paras	Ash's Charmeleon starts disobeying him.
The Song of Jigglypuff	Misty tries to capture a Jigglypuff, but decides against it when she found out it couldn't Sing. Misty's Staryu is revealed to know Double-Edge. The Jigglypuff that Ash and his friends help out in this episode begins to follow them around.
Attack of the Prehistoric Pokémon	Ash and his friends encounter Gary again. Ash's Charmeleon evolves into Charizard, but remains disobedient. Ash finds a Pokémon Egg, and Brock decides to be in charge of taking care of it.
Holy Matrimony!	James's childhood is revealed: James is revealed to come from a rich family. James is revealed to be engaged to a girl named Jessebelle. James is revealed to own a Growlithe, nicknamed Growlie.
Who Gets to Keep Togepi?	Ash gets his Pokédex upgraded. The Egg Ash found a while back hatches into a Togepi. Ash, Misty, Brock, and Meowth decide to have a tournament to see who will keep Togepi. Ash wins the tournament, but Togepi chooses to go with Misty instead. Brock's Geodude is revealed to know Tackle. Brock's Onix is revealed to know Rock Throw.
Bulbasaur's Mysterious Garden	Ash's Bulbasaur begins to evolve, but decides not to. Ash's Bulbasaur learns Solar Beam.
Princess Versus Princess	Jessie catches a Lickitung. Misty and Jessie enter the Queen of the Princess Festival contest, with Misty being the winner.
The Purr-fect Hero	Misty's Horsea is revealed to know Bubble.
Pokémon Paparazzi	Ash and his friends meet Todd Snap, who joins the group.
The Breeding Center Secret	Ash and his friends encounter Butch and Cassidy, two other members of Team Rocket, for the first time. James is revealed to have caught a Weepinbell that has now evolved into a Victreebel. Todd Snap leaves the group.
Riddle Me This	Ash and his friends reach Cinnabar Island. Ash and his friends meet Blaine, the Cinnabar Gym Leader. Ash begins his Gym battle with Blaine.
Volcanic Panic	Ash forfeits his first Gym battle with Blaine. Ash defeats Blaine in a rematch and earns the Volcano Badge. Ash's Charizard is revealed to know Submission and Seismic Toss. Ash learns that there is a Gym in Viridian City, and decides to head back there.
The Misty Mermaid	Ash and his friends visit Cerulean City again. Misty's Horsea is revealed to know Smokescreen. Ash's Squirtle is revealed to know Tackle. Misty's sisters' Seel evolves into Dewgong. Misty leaves her Horsea and Starmie at the Cerulean Gym.
Clefairy Tales	Jigglypuff is revealed to know Pound.
The Battle of the Badge	Ash and his friends return to Viridian City and encounter Gary again. Gary is revealed to have won ten Badges and obtained a Nidoking and an Arcanine. Gary challenges the Viridian Gym Leader and loses to a mysterious Pokémon. Jessie, James, and Meowth present Misty's Togepi to Giovanni as a gift, but he rejects it. Jessie, James, and Meowth are temporarily appointed as the Gym Leaders of the Viridian Gym. Ash's Pidgeotto is revealed to know Double-Edge. Ash earns his eighth and final Badge, the Earth Badge, after defeating Team Rocket. The Viridian Gym collapses. Ash and his friends head back to Pallet Town.
It's Mr. Mime Time	Ash and his friends return to Pallet Town. Misty and Brock meet Delia for the first time (dub only). Delia gets a Mr. Mime.
Showdown at the Po-ké Corral	Mewtwo leaves Giovanni and destroys his headquarters. Professor Oak reveals that the two other Trainers who left Pallet Town with Ash and Gary did not succeed as Trainers. Ash, his friends, and Gary learn that the Pokémon League will be held at Indigo Plateau in two months. Dub viewers learn that Ash has captured 30 Tauros at some point in his travels. Gary is revealed to have obtained a Doduo and own more than 200 Pokémon from up to 60 different species. Gary challenges Ash to a battle, but they are interrupted by the appearance of Team Rocket before they can begin. Professor Oak encounters Team Rocket for the first time.
Mewtwo Strikes Back	Ash, Misty, and Brock meet Mewtwo, but Mewtwo later makes them forget about the encounter. Ash's Squirtle is revealed to know Bubble Beam.
The Evolution Solution	James's Weezing is revealed to know Haze*. Jessie catches a Shellder that also James wanted to catch, but it attaches itself to a Slowpoke and catalyzes its evolution into a Slowbro and thus leaves her.
Make Room for Gloom	Jessie's Arbok is revealed to know Toxic.
Go West Young Meowth	Meowth recalls how he learned to speak the human language and walk upright on his hind legs. Meowth reveals why he joined Team Rocket.
To Master the Onixpected	Ash and his friends meet Bruno, a member of the Kanto Elite Four. Bruno catches a giant Onix.
The Ancient Puzzle of Pokémopolis	Brock's Vulpix is revealed to know Quick Attack.*
Bad to the Bone	Jessie's Arbok is revealed to know Double-Edge. Ash and his friends set off for Indigo Plateau, the venue for the Indigo Plateau Conference.
All Fired Up	Ash and Gary arrive at the Pokémon League. Ash, Misty, and Brock help carry the flame of Moltres to the stadium. Ash sees the legendary bird, Moltres.
Round One - Begin!	Ash uses his Krabby in battle for the first time. Ash's Krabby is revealed to know Harden, Vice Grip, Leer, and Stomp. Ash's Krabby evolves into Kingler. Ash's Kingler is revealed to know Bubble, Water Gun, and Crabhammer. Ash's Kingler learns Hyper Beam. Ash wins his first round match of the Indigo Plateau Conference using only his Kingler. Gary also wins his first round match.
Fire and Ice	Ash's Squirtle is revealed to know Withdraw. Ash wins his second and third matches in the Indigo Plateau Conference.
The Fourth Round Rumble	Gary loses his fourth round battle, placing him in the Top 32 in the Indigo Plateau Conference. Gary heads back to Pallet Town. Ash uses his Muk in battle for the first time, and it is revealed to know Body Slam. Ash wins his fourth and final preliminary round match in the Pokémon League and advances to the fifth round, securing him a place in the Indigo Stadium.
A Friend In Deed	Ash and his friends meet Ritchie. Ash learns he will be battling Ritchie in the fifth round.
Friend and Foe Alike	Ash's Pikachu is revealed to know Double-Edge. Ash battles Ritchie in the fifth round at the Indigo Stadium and loses, ending his session in the Pokémon League and finishing in the Top 16.
Friends to the End	Ritchie is revealed to own either a Spearow or a Tentacool. Ritchie loses the sixth round match and is placed Top 8 in the Pokémon League. Ritchie leaves the group. The Indigo Plateau Conference ends.

Orange Islands

Episode	Details
Pallet Party Panic	Ash is given an errand by Professor Oak to travel to the Orange Archipelago and retrieve a mysterious Poké Ball from Professor Ivy. The Spearow from the first episode returns as a Fearow, which Ash unsuccessfully attempts to capture. Ash's Pidgeotto evolves into a Pidgeot. Ash releases his Pidgeot to protect other Pidgey and Pidgeotto from the Spearow and Fearow flock.
A Scare in the Air	Ash and his friends reach Valencia Island.
Poké Ball Peril	Ash meets Professor Ivy. Ash obtains the GS Ball. Brock decides to be Professor Ivy's assistant and leaves the group.
The Lost Lapras	Ash learns of the Orange League and decides to challenge it. Tracey Sketchit is introduced and joins Ash and Misty. Tracey encounters Team Rocket for the first time. Ash catches a Lapras.
Fit to be Tide	Ash learns that the Orange League's Gyms test a Trainer's skill through challenges and thus operate differently from the usual Gyms. Ash's Lapras is revealed to know Ice Beam. Ash defeats the Mikan Gym Leader Cissy and earns his first Orange League Badge, the Coral-Eye Badge.
Pikachu Re-Volts	Tracey meets Butch and Cassidy for the first time. Butch and Cassidy are revealed to have stolen a Drowzee from their fake Breeding Center. Jessie's Lickitung uses Tackle for the first time. James's Victreebel is revealed to know Tackle. Misty's Togepi is revealed to know Metronome.
The Crystal Onix	Tracey is revealed to own a Marill.
In The Pink	Tracey's Marill is revealed to know Water Gun.*
Stage Fight!	Tracey's Marill uses Water Gun for the first time.
Bye Bye Psyduck	Misty's Goldeen is seen battling for the first time and is revealed to know Agility and Horn Attack.
Navel Maneuvers	Ash beats the Navel Gym Leader Danny and earns the Sea Ruby Badge.
Snack Attack!	Jessie's Lickitung is revealed to know Wrap. Ash catches a Snorlax.
A Shipful of Shivers	Ash and his friends learn about the history of the Orange League. James's Victreebel is revealed to know Razor Leaf. Jessie's Arbok is revealed to know Tackle.
Tracey Gets Bugged	Ash attempts to catch a Scyther. Tracey's Venonat is revealed to know Sleep Powder. Tracey catches the Scyther Ash tried to catch.
A Way Off Day Off	James's Victreebel is revealed to know Sleep Powder. Tracey's Scyther is revealed to know Skull Bash.
The Mandarin Island Miss Match	Lorelei* of the Elite Four makes an appearance. Ash battles Prima but is defeated. Ash, Misty, and Tracey learn about the Orange League from Prima.
The Mystery Menace	Ash temporarily brings his Muk from Professor Oak's lab.
Misty Meets Her Match!	Ash's Bulbasaur is revealed to know Sleep Powder. Ash's Squirtle learns Hydro Pump. Ash defeats the Trovita Gym Leader Rudy and earns the Spike Shell Badge.
Bound For Trouble	Ash's Snorlax is revealed to know Mega Punch.
Charizard Chills	Ash's Charizard is revealed to know Mega Punch and Take Down. Charizard begins to obey Ash. Ash's Charizard learns Dragon Rage.
The Pokémon Water War	Ash and his friends meet Captain Aidan and Team Wartortle. Tracey's Venonat is revealed to know Tackle.
Pokémon Food Fight	Ash's Snorlax learns Hyper Beam.
Pokémon Double Trouble	Ash's Charizard is revealed to know Tackle. Ash defeats the Kumquat Gym Leader Luana and earns the Jade Star Badge, his fourth and final Orange League Badge.
The Stun Spore Detour	Misty's Goldeen is revealed to know Fury Attack. Misty catches a Poliwag.
Hello Pummelo	Ash and his friends arrive on Pummelo Island. Ash sends his Snorlax to Professor Oak's Laboratory in exchange for one of his Tauros. Ash uses one of his Tauros in battle for the first time. Ash's Tauros is revealed to know Fissure. Ash's Lapras is revealed to know Water Gun. Ash begins his first Full Battle with Drake, the Orange Crew Supreme Gym Leader.
Enter The Dragonite	Ash's Tauros is revealed to know Take Down. Ash's Squirtle is revealed to know Bubble*. Ash wins his Full Battle against the Orange Crew Supreme Gym Leader Drake. Ash becomes a Champion of the Orange League, earning the Winner's Trophy and a spot in the Palace of Victory.
Viva Las Lapras	Ash's Lapras is reunited with its family. Misty's Goldeen is revealed to know Water Gun. Ash releases Lapras.
The Underground Round Up	Ash and his friends leave the Orange Archipelago, bound for Pallet Town.
A Tent Situation	Ash and his friends arrive in Pallet Town. Brock returns and meets Tracey. Tracey meets Professor Oak in person. Ash returns Tauros to its herd at Professor Oak's Laboratory. James's Victreebel is revealed to know Double-Edge* and Poison Powder*. Ash's Muk is revealed to know Poison Gas*. Gary returns, is revealed to have obtained a Nidoqueen, and decides to have a battle with Ash.
The Rivalry Revival	Gary is revealed to have obtained an Eevee. Ash has a battle against Gary and loses. Ash and his friends learn about the Johto region. Gary leaves for the Johto region. Professor Oak asks Ash to take the GS Ball to Azalea Town and give it to Kurt. Brock rejoins the group and says he'll travel to Johto with Ash and Misty. Ash receives a new Pokédex from Professor Oak. Tracey decides to stay in Pallet Town and become Professor Oak's assistant. Mimey is revealed to know Light Screen. Ash, Misty, and Brock head off to the Johto region.

Johto

Episode	Details
Don't Touch That 'Dile	Ash and his friends see a Suicune. Ash and his friends arrive at New Bark Town and meet Professor Elm. Ash signs up for the Johto League. James's Victreebel is revealed to know Vine Whip.
The Double Trouble Header	Ash and his friends meet Casey, a rookie Trainer. Casey catches a Rattata. Ash's Pikachu is revealed to know Tackle.
A Sappy Ending	Ash catches a Heracross.
Roll On, Pokémon!	Ash and Brock attempt to capture a Donphan. Ash's Heracross is revealed to know Tackle, Horn Attack, and Endure. Misty's Poliwag is revealed to know Bubble. James's Victreebel is revealed to know Wrap.
Illusion Confusion!	Ash and his friends meet up with Gary.
Flower Power	James's Victreebel is revealed to know Swords Dance and Take Down and uses Wrap for the first time.
Snubbull Snobbery	A Snubbull starts following Team Rocket.
The Little Big Horn	Brock shows his true talents as a Pokémon Breeder as he helps a lost baby Stantler.
The Chikorita Rescue	Ash catches a Chikorita.
Once in a Blue Moon	Misty tries to catch a Quagsire twice, but is stopped both times.
The Whistle Stop	Jessie's Lickitung is revealed to know Supersonic and Stomp.
Ignorance is Blissey	It is revealed that Jessie went to Pokémon Nurse School. Jessie's Lickitung is revealed to know Slam.
A Bout With Sprout	Ash and his friends arrive in Violet City.
Fighting Flyer with Fire!	Ash and his friends meet the Violet Gym's Gym Leader, Falkner. Ash's Charizard is revealed to know Fly. Ash defeats Falkner in a Gym battle and earns his first Johto League Badge, the Zephyr Badge.
For Crying Out Loud	Ash learns that the next Gym is located in Azalea Town, and decides to head there. Misty attempts to capture a Marill, but fails due to her already being owned.
Charizard's Burning Ambitions	Ash leaves his Charizard at the Charicific Valley.
Chikorita's Big Upset	Ash's Chikorita is revealed to know Tackle. Chikorita's jealousy towards Pikachu is confirmed.
Wired for Battle!	Ash's Heracross is revealed to know Leer, Take Down, and Fury Attack.
Good 'Quil Hunting	Ash catches a Cyndaquil.
A Shadow of a Drought	Ash and his friends arrive in Azalea Town and meet Kurt.
Goin' Apricorn	Ash, Misty, and Brock each receive a Fast Ball from Kurt. Brock uses his Fast Ball to catch a Pineco. Ash leaves the GS Ball with Kurt.
Gettin' The Bugs Out	Ash and his friends arrive to the Azalea Gym and meet the local Gym Leader, Bugsy. Ash defeats Bugsy in a Gym battle and earns the Hive Badge. Ash's Chikorita is revealed to know Sweet Scent. Ash and Misty both receive a Lure Ball and Brock receives a Heavy Ball from Kurt.
A Farfetch'd Tale	Ash learns that there is a Gym in Goldenrod City.
Tricks of the Trade	Ash sends his Heracross to Professor Oak's lab for one of his Tauros. James meets the Magikarp salesman again. Jessie accidentally trades her Lickitung for Benny's Wobbuffet.
The Fire-ring Squad	Ash sends Tauros back to Professor Oak and agrees to let Heracross stay there as well. Team Wartortle and the Squirtle Squad make a reappearance. Ash's Squirtle rejoins the Squirtle Squad. Brock meets Captain Aidan.
Hour of the Houndour	Ash's Pikachu is revealed to know Leer.
The Totodile Duel	Both Ash and Misty throw their Lure Balls simultaneously at a wild Totodile, but only one catches it. Brock referees a match to determine who will get the Pokémon. Misty uses her Togepi in a battle for the first time. Misty's Togepi is revealed to know Charm. Misty's Poliwag evolves into Poliwhirl and learns Body Slam. Ash wins the match and receives Totodile.
Hot Matches!	Ash's Cyndaquil learns to ignite the flame on its back at will. Ash's Cyndaquil is revealed to know Agility and Smokescreen.
Fowl Play!	Ash catches a Shiny Noctowl.
Forest Grumps	James's Victreebel uses Vine Whip for the first time.
The Fortune Hunters	Butch and Cassidy appear again. Butch is revealed to own a Primeape. James's Victreebel is revealed to know Stun Spore.
A Goldenrod Opportunity	Ash and his friends arrive at Goldenrod City and meet the local Gym Leader, Whitney. Ash has a Gym battle with Whitney and loses.
A Dairy Tale Ending	Ash has a rematch with Whitney and wins, earning the Plain Badge.
Air Time!	Ash and his friends meet DJ Mary. The group heads out to Ecruteak City.
The Bug Stops Here	Ash and his friends encounter Casey again. Ash, Casey, and Team Rocket enter a Bug-Catching Contest. Ash fails to catch a Weedle for the second time as it's caught by Casey instead. Casey's Chikorita evolves into a Bayleef. Ash catches a Beedrill and wins the Bug-Catching Contest, earning him a Sun Stone. Ash gives his Beedrill to Casey.
Carrying On!	Ash's Noctowl is revealed to know Whirlwind.
Hassle in the Castle	Brock's Zubat evolves into Golbat.
A Hot Water Battle	Jessie's Wobbuffet is revealed to know Bide.
Hook, Line, and Stinker	Ash and Misty each catch a Seaking as part of the Seaking Catching Day competition, but under contest rules do not keep them. Misty's Poliwhirl is revealed to know Mega Punch. Misty wins the Seaking Catching Day competition.
Beauty and the Breeder	Ash and his friends meet up with Suzie again. Brock returns Vulpix to Suzie. Brock and Suzie enter the Pokémon Beauty Contest, but it is not revealed whether they win or lose.
Power Play	Ash and his friends meet up with Gary again. Gary's Eevee is revealed to have evolved into an Umbreon.
Imitation Confrontation	Duplica returns with a new Ditto named Mini-Dit. Ash's Totodile is revealed to know Scary Face and Tackle via Mini-Dit's Transform. Jessie's Wobbuffet is revealed to know Mirror Coat via Mini-Dit's Transform.
Trouble With Snubbull	The Snubbull that has been following Team Rocket around evolves into Granbull. Granbull returns to her owner, Madame Muchmoney.
Ariados, Amigos	Ash and his friends meet up with Aya again. Brock's Pineco is revealed to know Spikes.
Wings 'N' Things	Misty's Poliwhirl is revealed to know Tackle.
The Grass Route	Ash and James enter the Grass Tournament but lose to Ephraim. Ash's Bulbasaur is revealed to know Take Down.
Delibird's Dilemma	Ash's Noctowl is revealed to know Foresight.
Mewtwo Returns	Ash, his friends, and Team Rocket encounter Mewtwo again. Ash, Misty, and Brock meet Giovanni for the first time. Mewtwo erases its encounter with Giovanni, his underlings, Luna, and Cullen from their memories.
A Ghost of a Chance	Ash, Misty, and Brock arrive in Ecruteak City and meet Morty, the Ecruteak Gym Leader. Ash's Noctowl is revealed to know Tackle. Ash finds out that the mysterious Pokémon he saw on his first day as a Pokémon Trainer was Ho-Oh.
From Ghost to Ghost	Ash's Cyndaquil is revealed to know Quick Attack and Swift. Ash's Noctowl learns Confusion. Ash defeats Morty in a Gym battle and earns the Fog Badge.
Trouble's Brewing	Ash and his friends meet the Kimono Sisters, and Misty strikes up a friendship with Sakura, the youngest sister. Jessie's Arbok is revealed to know Headbutt. Sakura considers about joining Ash and company, but eventually decides not to. Ash and his friends decide to travel to Olivine City.
Moving Pictures	Ash and his friends meet up with Todd Snap, who is looking to get a photo of Articuno. Ash uses his Sun Stone to evolve a wild Sunkern into Sunflora. Todd joins the group again.
Freeze Frame	Todd gets a photo of Articuno, and later parts ways with Ash and his friends. Jessie's Wobbuffet is commanded to use Mirror Coat for the first time.
The Ring Masters	Ash temporary sends Noctowl to Professor Oak and adds Snorlax to his team. Ash participates in a Pokémon Sumo Competition and wins, earning a King's Rock as a reward.
Control Freak	Brock's Golbat evolves into Crobat. Brock's Geodude is revealed to know Dig.
Current Events!	Ash's Chikorita evolves into Bayleef.
Turning Over A New Bayleef	Ash's Bayleef learns Body Slam.
The Kecleon Caper	Misty's Poliwhirl is revealed to know Headbutt.
Fight for the Light	Ash and his friends arrive in Olivine City and meet Jasmine, the Olivine Gym Leader. Ash tries to challenge Jasmine to a Gym battle, but she refuses, as she needs to care for a sick Ampharos. The group decides to head for Cianwood City to pick up medicine for Ampharos, and Ash learns that there is a Gym there.
Machoke, Machoke Man	Ash and his friends arrive at Cianwood City. Ash and his friends pick up the medicine for Jasmine's Ampharos as agreed and send it back to Olivine City. Ash and his friends meet the local Gym Leader, Chuck. Ash defeats Chuck in a Gym battle and earns the Storm Badge. Ash and his friends head for the Whirl Islands.
Around the Whirlpool	Ash, Misty, and Brock start their journey through the Whirl Islands. The group sees the shadow of a mysterious Pokémon and meets up with Professor Elm. Ash and Misty learn about the Whirl Cup, and they both decide to compete in it. Misty decides to try and capture a Corsola.
A Corsola Caper	Ash's Totodile is revealed to know Headbutt. Misty catches a Corsola with her Lure Ball.
Octillery The Outcast!	Misty and Ash make it through the preliminaries of the Whirl Cup.
Dueling Heroes	Ash recalls Kingler to his team for the Whirl Cup and sends Bayleef to Professor Oak's Laboratory. Ash and Misty get through the first round of the Whirl Cup, and learn that they have to battle each other in the second round.
The Perfect Match	Misty defeats Ash in the second round of the Whirl Cup and advances to the third round. Misty is defeated by Trinity in the third round of the Whirl Cup. Trinity is defeated by an unknown Trainer in the final round of the Whirl Cup.
The Mystery is History!	Ash and his friends meet up with Ritchie again. The gang encounter a Lugia and its child, which is later captured by Team Rocket. Ritchie is revealed to have captured a Pupitar nicknamed "Cruise". Butch is revealed to own a Hitmontop, while Cassidy is revealed to own a Houndour.
A Parent Trapped!	Ritchie's Zippo is revealed to have evolved into a Charmeleon. Ash, his friends and the parent Lugia are captured by Team Rocket.
A Promise is a Promise	Ash and his friends escape from Team Rocket and free the two Lugia. Ritchie leaves the group.
Throwing in the Noctowl!	Ash and his friends return to Olivine City.
Nerves of Steelix	Ash has a Gym battle with Jasmine and wins, earning the Mineral Badge. Ash decides to head to Mahogany Town via Ecruteak City for his next Gym battle.
Bulbasaur... the Ambassador!	Ash sends Bulbasaur to Professor Oak's Laboratory to act as a peacemaker between the Grass and Water Pokémon. Ash's Bulbasaur learns Dig. Ash and Bulbasaur agree that Bulbasaur should remain at Professor Oak's Laboratory.
Espeon Not Included!	Ash and his friends return to Ecruteak City on their way to Mahogany Town and meet Sakura and the other Kimono Sisters again. Sakura's Eevee is revealed to have evolved into an Espeon.
For Ho-Oh the Bells Toll	Ash and his friends meet up with Morty again and also meet Eusine for the first time. Ash learns the legend of Ho-Oh and the three Legendary beasts. Ash sees Suicune again. Ash and his friends leave Ecruteak City and head on to Mahogany Town.
Extreme Pokémon!	Ash meets up with Gary again, and they both enter an Extreme Pokémon Race. Ash wins the Extreme Pokémon Race and receives an Egg from Mr. Shellby at the Pokémon Breeding Center.
Hatching a Plan!	Ash's Egg hatches into a Phanpy.
Dues and Don'ts	Jessie and James renew their membership with Team Rocket. A Delibird sent from Team Rocket begins to follow Jessie and James. Ash's Phanpy is revealed to know Take Down.
Talkin' 'Bout an Evolution	Ash and his friends meet Lance, the Pokémon League Champion. The group encounter a Red Gyarados at the Lake of Rage, which is a result of Team Rocket's latest scheme of forcing Pokémon to evolve.
Rage of Innocence	Ash and his friends meet Pryce. Lance catches the Red Gyarados.
As Cold as Pryce!	Ash and his friends meet Pryce again and learn that he is the Mahogany Gym Leader Ash and his friends help Pryce find his lost Piloswine. Pryce accepts Ash's request for a Gym battle.
Nice Pryce Baby	Ash has a Gym battle with Pryce and Pryce forfeits, earning Ash the Glacier Badge. Ash and his friends head to Blackthorn City for Ash's final Johto Gym battle.
Hocus Pokémon	Ash is transformed into a Pikachu.
As Clear As Crystal	Ash reverts to human form after his transformation. Ash and his friends see a Zapdos.
Will the Real Oak Please Stand Up?	Professor Oak is revealed to have caught a Pidgey.
Outrageous Fortunes	Misty's Poliwhirl uses Ash's King's Rock to evolve into Politoed and learns Swagger.
One Trick Phony!	Ash's Totodile uses Scary Face for the first time.
Beauty is Skin Deep	Ash, Misty, and Brock get to Blackthorn City and meet Clair, the local Gym Leader. Ash challenges Clair to a Gym battle. Clair's Dratini evolves into Dragonair.
Fangs for Nothin'	Ash begins his Gym battle against Clair, but it is interrupted due to Team Rocket trying to steal the Dragon Fang. A Wynaut begins to follow Team Rocket.
Great Bowls of Fire	Ash's Charizard returns from the Charicific Valley.
Better Eight Than Never	Ash temporarily returns his Snorlax to his team to help in his battle with Clair. Ash's Snorlax is revealed to have learned Ice Punch. Ash beats Clair in a rematch and earns a Rising Badge, qualifying him for the Johto League. Ash's Charizard returns to the Charicific Valley.
Why? Wynaut!	Ash learns that the Johto League Silver Conference will take place in Silver Town at the foot of Mt. Silver in three months. Ash and his friends head to New Bark Town in order for Ash to register for the Silver Conference.
Just Add Water	Ash's Totodile is revealed to know Slash. Misty's Goldeen is revealed to know Supersonic and Horn Drill. Misty's Psyduck is revealed to know Psychic.
Lapras of Luxury	Ash is briefly reunited with his Lapras. Ash's Lapras becomes the leader of its herd. Ash is asked to deliver a Pokémon Egg to Professor Elm. Brock's Crobat is revealed to know Sonic Boom.
Hatch Me If You Can	Ash's Egg hatches into a Larvitar. Ash registers for the Silver Conference. Ash agrees to take Larvitar to Mt. Silver.
Entei at Your Own Risk	Brock's Pineco evolves into a Forretress. Brock's Onix is revealed to know Sandstorm. Ash's Phanpy is revealed to know Defense Curl. Ash and his friends see an Entei.
A Crowning Achievement	Brock's Forretress is revealed to know Rapid Spin.
Here's Lookin' at You, Elekid!	Ash and his friends meet up with Casey once more. Casey's Bayleef is revealed to have evolved into a Meganium. James is forced to trade his Victreebel for Magikarp salesman's Weepinbell. James's Weepinbell evolves into a new Victreebel. Jessie blasts away James's new Victreebel. The Magikarp salesman releases his Victreebel. James's two Victreebel meet and fall in love. Casey catches an Elekid.
You're a Star, Larvitar!	Larvitar is revealed to know Bite and Dig. Jessie's Arbok is revealed to know Take Down.
Address Unown!	Unown shows Ash and his friends the memories of Larvitar. Larvitar finally gets over its shyness towards Brock and Misty.
Mother Of All Battles!	Ash and his friends arrive at Mt. Silver. Ash leaves Larvitar with its mother at Ranger Mason's preserve.
Pop Goes The Sneasel!	Ash meets Harrison, a new rival, and together they allow the Silver Conference to commence. Harrison captures a Sneasel.
A Claim to Flame!	Ash, Gary, and Harrison qualify for the Silver Conference. Ash and Gary help to deliver the Ho-Oh flame to allow the conference to begin.
Love, Pokémon Style!	Ash has all of the Pokémon he has been keeping at Professor Oak's Laboratory sent to him for the Silver Conference. Ash's Kingler is injured in an accident and is unable to compete in the tournament. Ash's Squirtle returns to his team. Ash wins his first preliminary battle against Macy. Ash's Phanpy is revealed to know Earthquake.
Tie One On!	Macy beats Jackson in their Silver Conference match. Ash and Jackson's match ends in a draw, meaning Ash has advance to the Victory Tournament. Ash, Gary, and Harrison get through to the Silver Conference Victory Tournament. Ash learns that he will battle Gary in the first round of the Silver Conference Victory Tournament. Harrison is revealed to own a Miltank. Jackson is revealed to own an Azumarill, a Shiny Magneton, a Poliwhirl, a Quagsire, and a Golduck. Macy is revealed to own a Starmie.
The Ties That Bind	Ash and Gary receive a Pokédex upgrade. Ash is reunited with his Charizard. Harrison gets through to the second round. Ash begins his second Full Battle with Gary. Ash's Tauros is revealed to know Horn Attack. Ash's Heracross is revealed to know Megahorn. Gary's starter Pokémon is revealed to have been a Squirtle, which has since evolved into a Blastoise. Gary is revealed to have obtained a Magmar, an Alakazam, a Houndoom, a Pinsir, a Fearow, a Kingdra, and a Skarmory.
Can't Beat the Heat!	Ash's Muk is revealed to know Sludge Bomb. Gary is revealed to have obtained a Scizor and a Golem. Ash defeats Gary, marking his first victory over his rival. Ash and Gary end their rivalry and become friends again, just as they were when they were little. Team Rocket plans to pay off their debts towards TRDelibird ([[{{{2}}} (move)|{{{2}}}]]). Ash begins his match against Harrison. Harrison is revealed to own a Kecleon.
Playing with Fire!!	Ash and Harrison continue their battle, and are left with their last Pokémon. Ash's Bayleef is revealed to know Headbutt. Harrison is revealed to own a Hypno and a Steelix.
Johto Photo Finish	Ash loses his battle with Harrison. Ash sends Squirtle and Charizard back to the Squirtle Squad and the Charicific Valley, respectively. Harrison loses in the semifinals. Jon Dickson wins the Silver Conference. The Silver Conference ends. Harrison tells Ash that he should go to Hoenn. Gary decides to become a Pokémon Researcher. Ash, Harrison, and Gary head their separate ways. Harrison heads to Kanto to collect the region's Badges and compete in its League Conference. Gary heads back to Pallet Town. Ash, Misty, and Brock head back to Viridian City, and then Pallet Town.
Gotta Catch Ya Later!	Daisy, Violet, and Lily give their Cerulean Gym Leader status to Misty. Misty gets her bike back, now mended. Ash, Brock, and Misty go their separate ways. Ash sees Ho-Oh again. Ash leaves all his Pokémon, except Pikachu, at Professor Oak's Laboratory. Ash changes his clothes and receives a new Pokédex from Professor Oak. Ash heads for Hoenn.
Hoenn Alone!	Ash heads for Hoenn. Pikachu becomes ill.

Advanced Generation series

Hoenn

Episode	Details
Get the Show on the Road	Ash arrives in Littleroot Town and meets with Professor Birch. Ash meets May, a beginning Trainer. May encounters Team Rocket for the first time. Pikachu accidentally destroys May's bike. Team Rocket accidentally heals Pikachu. May starts her Pokémon journey with a Torchic, a Pokédex, and six Poké Balls. Ash and May decide to travel together.
A Ruin with a View	May tries and fails to capture an Azurill. May's Torchic is revealed to know Peck and Ember. May meets Nurse Joy and learns about Pokémon Centers. Ash registers for the Hoenn League. Giovanni assigns Jessie and James to create a Team Rocket branch in the Hoenn region in an attempt to learn more about the plans of Team Aqua and Team Magma. Ash and May encounter Team Magma for the first time. Team Magma is introduced.
A Family That Battles Together Stays Together!	Lola returns to Pewter City and redecorates the Pewter Gym, remodeling it to suit Water-type Pokémon. Flint closes the Pewter Gym in embarrassment at the remodeling. Brock returns to Pewter City and fights to return Pewter Gym to a Rock-type Gym. Brock's Onix is revealed to know Slam. Brock leaves his Onix, Geodude, and Crobat with his brother, and changes his clothes before leaving for Hoenn to meet up with Ash.
There's no Place Like Hoenn	Ash and May arrive in Petalburg City. Ash goes to the Petalburg Gym and meets May's brother Max, her mother Caroline, and her father Norman, the local Gym Leader. Ash is unable to have an official Gym battle as he needs three Pokémon. He is allowed to have an unofficial battle, but loses. Max encounters Team Rocket for the first time. Max joins the group. Max receives a PokéNav while Ash and May receive Badge cases. Ash learns of the Gym in Rustboro City and decides to head there.
Cerulean Blues	Misty resumes her post as the Cerulean City Gym Leader. Misty manages to conquer her fear of Gyarados and is able to tame one herself. Misty encounters the Invincible Pokémon Brothers again.
You Never Can Taillow	Brock returns, with May and Max meeting him for the first time. Brock reveals he only brought Forretress with him, having left his other Pokémon at the Pewter Gym. Brock's Forretress is revealed to know Explosion. Ash catches a Taillow. Brock rejoins the group.
In the Knicker of Time!	May participates in and loses her first Pokémon battle. Ash's Taillow is revealed to know Peck.
A Poached Ego!	May learns that there are multiple identical Nurse Joys and Officer Jennys in different cities. Jessie and James release Arbok and Weezing. James catches a Cacnea.
Tree's a Crowd	Ash catches a Treecko.
Showdown at the Oak Corral	Delia battles for the first time onscreen. Mimey is revealed to know Double Slap. Tracey's Scyther is revealed to know Quick Attack and Cut.
A Tail with a Twist	Jessie catches a Seviper. Ash's Taillow is revealed to know Wing Attack. Ash's Treecko is revealed to know Quick Attack.
A Bite to Remember	Max and May see an evolution for the first time. Brock's Forretress is revealed to know Tackle.
The Lotad Lowdown	Brock catches a Lotad.
All Things Bright and Beautifly!	Ash, May, Max, and Brock go to their first Pokémon Contest. Jessie is revealed to own a Hoenn Contest Pass, which she has renewed. Ash, Brock, Max, and May get a Hoenn Contest Pass. May becomes interested in Pokémon Contests. Ash learns that the first Hoenn Gym is a Rock-type Gym. Ash begins to teach Pikachu Iron Tail in preparation for the Gym battle.
The Blue Badge of Courage	Misty learns how to make Cascade Badges. Sakura is revealed to have obtained a Beautifly and earned the Storm, Zephyr, and Hive Badges. Sakura challenges Misty to a Gym battle and wins, earning the Cascade Badge.
All in a Day's Wurmple	Ash learns that Double Battles are common in Hoenn, and has his first official battle of this type. May catches a Wurmple, making it her first caught Pokémon. Jessie also catches a Wurmple.
Gonna Rule The School!	Ash and his friends arrive in Rustboro City and meet Roxanne, the Rustboro Gym Leader. Ash challenges Roxanne to a Gym battle. Max is introduced to Professor Oak. Max visits the Pokémon Trainers' School and takes part in his first Pokémon battle, which is interrupted by Team Rocket. Ash and his friends learn that Jessie has obtained a Wurmple.
Winner by a Nosepass	May reveals her intentions to participate in Pokémon Contests instead of Gym battles. Pikachu masters Iron Tail. Ash defeats Roxanne and earns his first Hoenn League Badge, the Stone Badge.
Stairway to Devon	Ash and his friends learn about Team Aqua and Team Magma, and have their first encounter with the former. Ash learns that Steven Stone is on Dewford Island, and that the second Gym in Hoenn is located there.
On a Wingull and a Prayer!	Ash and his friends meet Mr. Briney. Ash and his friends head for Dewford Island on Mr. Briney's boat.
Sharpedo Attack!	Brock's Lotad is revealed to know Razor Leaf. Ash and his friends arrive on Dewford Island.
Oaknapped!	Professor Oak begins to research Pokérus. Butch is revealed to own a Mightyena while Cassidy is revealed to own a Sableye. Ritchie is revealed to have captured a Taillow, nicknamed "Rose".
Brave the Wave	Ash meets Brawly, the Dewford Gym Leader, and challenges him to a Gym battle. Ash's Taillow is revealed to know Quick Attack. Brawly's Makuhita evolves into a Hariyama. Ash loses his Gym battle with Brawly. The gang decides to stay on Dewford Island while Ash trains for a rematch with Brawly.
Which Wurmple's Which?	May tries to capture an Octillery and Ash tries to capture a Corphish, but both fail. Jessie's Wurmple is revealed to know String Shot.
A Hole Lotta Trouble	Ash and his friends meet Steven.
Gone Corphishin'	Ash catches a Corphish.
A Corphish Out of Water	May's Wurmple evolves into Silcoon. Jessie's Wurmple evolves into Cascoon.
A Mudkip Mission	May tries and fails to capture a Mudkip. James's Cacnea is revealed to know Needle Arm. Brock catches a Mudkip.
Turning Over a Nuzleaf	Ash's Corphish is revealed to know Vice Grip.
A Three Team Scheme!	Ash and his friends meet up with Professor Birch. Ash and May encounter Team Magma again. Brock and Max encounter Team Magma for the first time. Ash and his friends encounter Team Aqua for the first time. Team Aqua and Team Magma are revealed to possess the Red Orb and the Blue Orb, respectively.
Seeing is Believing!	Jessie's Cascoon is revealed to know Tackle and Harden. May's Silcoon evolves into Beautifly and learns Gust. Jessie's Cascoon evolves into Dustox and learns Poison Sting and Psybeam. Professor Birch leaves the group.
Ready, Willing, and Sableye	May tries and fails to capture a Sableye.
A Meditite Fight!	Ash meets Brawly again, and they prepare to start their rematch.
Just One of the Geysers	Ash's Corphish is revealed to know Harden. Ash defeats Brawly in a rematch, earning the Knuckle Badge. The group decides to head to Slateport City via boat.
Abandon Ship!	Ash and his friends reach Slateport City.
Now that's Flower Power!	May meets her first rival, Drew. May receives a Pokéblock Case. May's Beautifly is revealed to have learned Silver Wind.
Having a Wailord of a Time	Brock's starter Pokémon is revealed to be his Onix.
Win, Lose or Drew!	May enters the Slateport City Pokémon Contest, making her debut as a Coordinator. Drew and Robert enter the Slateport Contest as well. Drew defeats May in the first round of the Battle Stage, eliminating her of the competition. Robert defeats Drew in the finals, earning the Slateport Ribbon.
The Spheal of Approval	The gang heads towards Mauville City. Jessie's Seviper is revealed to know Wrap*.
A Poké-BLOCK Party!	Ash and Brock encounter Jigglypuff again. May and Max meet Jigglypuff for the first time. Jessie's Seviper uses Wrap for the first time.
Watt's with Wattson	Ash and his friends arrive in Mauville City and meet Wattson, the Mauville Gym Leader. Ash defeats Wattson easily, due to his Pikachu being overcharged from an earlier incident, and earns the Dynamo Badge. Jessie's Dustox is revealed to know Whirlwind. Wattson catches an Electrike. Ash tries to return his Dynamo Badge, but Wattson tells him to keep it.
What You Seed is What You Get	Ash and his friends leave Mauville City and decide to head to Fallarbor Town first, and then to Lavaridge Town. Ash's Treecko learns Bullet Seed.
The Princess and the Togepi	Misty returns, with May and Max meeting her for the first time.
Training Daze	Meowth recalls how he met Jessie and James for the first time. Jessie, James and Meowth recall how they, Cassidy, and Butch went through training to become Team Rocket members.
A Togepi Mirage!	Misty's Togepi learns Safeguard. Misty's Togepi evolves into Togetic. Ash learns that Misty has obtained a Gyarados. Misty's Gyarados is revealed to know Flamethrower. Misty leaves Togetic in the Mirage Kingdom and returns to Cerulean City.
Journey to the Starting Line!	Mimey is revealed to know Psychic.
I Feel Skitty!	May's Torchic is revealed to know Quick Attack. May catches a Skitty.
ZigZag Zangoose!	Ash and his friends meet up with Nicholai again. Nicholai is revealed to own a Zangoose, and his Mudkip is revealed to have evolved into a Marshtomp. James's Cacnea is revealed to know Sandstorm. Jessie's Seviper is revealed to know Bite.
Maxxed Out!	May's Skitty is revealed to know Double Slap.
Pros and Con Artists	Ash and his friends arrive in Fallarbor Town and meet up with Drew again. Ash has a battle against Drew and loses. Drew is revealed to have earned three Contest Ribbons already.
Come What May!	May and Drew compete in the Fallarbor Town Pokémon Contest. Drew is eliminated in the semifinals. May wins the Fallarbor Contest and earns her first Ribbon.
Cheer Pressure	Ash and his friends meet up with Thatcher again.
Game Winning Assist	May's Skitty is revealed to know Assist.
Fight for the Meteorite!	Team Aqua and Team Magma battle again.
Poetry Commotion!	Ash and his friends arrive in Lavaridge Town and meet Flannery, the local Gym Leader. One of Flannery's Slugma, Mag, evolves into Magcargo.
Going, Going, Yawn	Ash battles Flannery and wins, earning the Heat Badge.
All Torkoal, No Play	Ash catches a Torkoal.
Manectric Charge	Ash and his friends return to Mauville City while on their way to Petalburg City. Wattson's Electrike evolves into a Manectric. May has a battle with Watt and wins. Ash has a battle with Wattson and loses. May learns that a Pokémon Contest will be held in Verdanturf Town. Ash's Torkoal is revealed to know Iron Defense.
Delcatty Got Your Tongue	May's Skitty learns Blizzard.
Disaster of Disguise	Ash and his friends arrive in Verdanturf Town and meet up with Drew again.
Disguise Da Limit	May wins the Verdanturf Contest, earning her second Ribbon. May's Skitty masters Blizzard. Ash and his friends leave Verdanturf Town.
Take the Lombre Home	Brock's Lotad evolves into Lombre.
True Blue Swablu	May offers a Swablu a place on her team, but decides against it when Swablu's flock shows up.
Exploud and Clear!	Ash's Treecko evolves into Grovyle and learns Leaf Blade.
Putting the Air Back in Aerodactyl!	Gary's Doduo is revealed to have evolved into a Dodrio.
A Double Dilemma	Ash and his friends arrive in Petalburg City.
Love, Petalburg Style!	May and Max reunite with their parents. Brock meets Norman and Caroline for the first time. Ash prepares for his Gym battle with Norman.
Balance of Power	Ash's Pikachu is revealed to have Static as his Ability. Ash's Grovyle is revealed to have Overgrow as its Ability. Ash has his Gym match with Norman and wins, earning him the Balance Badge. The group heads towards Fortree City.
A Six Pack Attack!	May and Max meet Professor Oak in person for the first time.
The Bicker the Better	Ash and May have their first Tag Battle together.
Grass Hysteria!	May catches a Bulbasaur.
Hokey Poké Balls!	Ash temporarily brings his Bulbasaur from Professor Oak's Laboratory to meet May's Bulbasaur.
A Fan with a Plan!	Ash and his friends arrive in Rubello Town and meet up with Drew again. May decides to enter the upcoming Rubello Town Pokémon Contest. Drew is revealed to own a Masquerain. May's Bulbasaur is revealed to know Tackle.
Cruisin' for a Losin'	May and Drew enter the R1 Rubello Town Pokémon Contest. Drew wins the Rubello Contest and earns his fourth Ribbon. May's Beautifly is revealed to know Morning Sun.
Pearls are a Spoink's Best Friend	Jessie buys a Magikarp disguised as a Feebas from the Magikarp salesman, but eventually loses it after the disguise comes off. Ash's Torkoal is revealed to know Body Slam.
That's Just Swellow	Ash and his friends arrive in Crossgate Town. Ash, May, and James participate in the Crossgate PokéRinger. Ash's Taillow evolves into Swellow. Ash wins the Crossgate PokéRinger, while James places second.
A Shroomish Skirmish	May's Torchic evolves into Combusken and learns Fire Spin and Sky Uppercut.
Unfair Weather Friends	Ash and his friends encounter Brodie of Team Magma.
Who's Flying Now?	Ash and his friends arrive in Fortree City. Ash meets Winona, the Fortree City Gym Leader, and challenges her to a Gym battle. James purchases what he believes to be a Chimecho from the Magikarp salesman. James's "Chimecho" is revealed to be a disguised Hoppip, which escapes before he can attempt to catch it. James catches a real Chimecho.
Sky High Gym Battle!	Ash has his Gym battle with Winona and wins, earning the Feather Badge.
Lights, Camerupt, Action!	Ash decides to head for the Gym in Mossdeep City via Lilycove City.
Crazy as a Lunatone	Ken and Mary from the Pokémon Mystery Club return. Ash and Brock encounter the Pokémon Mystery Club again. May and Max meet the Pokémon Mystery Club.
A Scare to Remember!	Ash's Pikachu, during a bout of amnesia, temporarily joins Team Rocket.
Pokéblock, Stock and Berry	Ash and his friends arrive in Lilycove City. Ash and his friends learn how Pokéblocks are made. Ash starts teaching Swellow to use Aerial Ace. May and Jessie enter the Lilycove City Pokémon Contest.
Lessons in Lilycove	James's Chimecho is revealed to know Astonish and uses Double-Edge for the first time. May and Jessie enter the Lilycove City Pokémon Contest. May wins the Lilycove Contest, earning her third Ribbon. Ash's Swellow learns Aerial Ace.
Clamperl of Wisdom	Ash and his friends encounter the wild Spoink again.
Luvdisc is a Many Splendored Thing!	Misty and Daisy are both revealed to have obtained a Luvdisc each.
The Evolutionary War	Ash and his friends meet up with Professor Birch again.
The Search for the Legend	Butch is revealed to own a Cloyster, while Cassidy is revealed to own a Tentacruel.
Gaining Groudon	Ash and his friends are held captive by Team Magma. Ash and his friends meet Maxie, the leader of Team Magma. Team Magma is revealed to have has captured Kyogre while Team Aqua has captured Groudon. Shelly frees Kyogre from Team Magma's captivity. Ash's Pikachu accidentally absorbs the Blue Orb into his body. Ash meets up with Lance again.
The Scuffle of Legends	May and Max meet Lance for the first time. Archie loses possession of the Red Orb after temporarily bonding with it. Pikachu also loses possession of the Blue Orb after it is separated from his body. The Red and Blue Orbs are destroyed. Groudon and Kyogre retreat back into their sleeping grounds. Team Magma and Team Aqua are defeated and their attempts to change the world are ended.
It's Still Rocket Roll to Me!	Ash and his friends arrive in Mossdeep City and meet Tate and Liza, the Mossdeep Gym Leaders. Ash challenges Tate and Liza to a Gym battle, which is revealed to be a Double Battle.
Solid as a Solrock	Ash's Swellow is revealed to know Double Team. Ash defeats Tate and Liza in his Mossdeep Gym battle, earning the Mind Badge.
Vanity Affair	Ash and his friends meet Drake, a member of Hoenn's Elite Four. Ash has a battle with Drake and loses.
Where's Armaldo?	May's Bulbasaur learns Petal Dance.
A Cacturne for the Worse	May meets Harley, a fellow Pokémon Coordinator and her latest rival. May enters the Purika Contest and wins, earning her fourth Ribbon.
Claydol Big and Tall	Ash tries and fails to catch a giant Claydol.
Once in a Mawile	Brock's Lombre evolves into Ludicolo by using Samantha's Water Stone and learns Bullet Seed.
Let it Snow, Let it Snow, Let it Snorunt	Ash catches a Snorunt.
Do I Hear a Ralts?	Max befriends a wild Ralts, which he promises to return to when he begins his Pokémon journey.
The Great Eight Fate!	Ash and his friends arrive in Sootopolis City and meet Juan, the local Gym Leader. Ash challenges Juan to a Gym battle, which is revealed to be a Double Battle followed by three one-on-one battles. Ash defeats Juan in the Double Battle and starts his first one-on-one battle against him.
Eight Ain't Enough	Ash wins his Gym battle against Juan, earning his eighth and final Hoenn Badge, the Rain Badge. Ash learns that the Hoenn League will start in three months in Ever Grande City. May learns that a Pokémon Contest will be held in Pacifidlog Town.
Who, What, When, Where, Wynaut?	Ash and his friends meet up with Drew again. Drew is revealed to have obtained his fifth Contest Ribbon, thus qualifying him for the Grand Festival. May learns that there is only one Pokémon Contest remaining before the Hoenn Grand Festival, and that the event itself will start in six weeks. May has a battle with Drew, which gets interrupted by Team Rocket.
Date Expectations	Ash's Snorunt is revealed to know Ice Beam, but has not mastered it.
Mean With Envy	May enters the Pacifidlog Contest and advances to the Contest Battles. Ash starts training Snorunt to use Ice Beam. May learns that the Hoenn Grand Festival will start in a month.
Pacifidlog Jam	May wins the Pacifidlog Contest and earns her fifth Ribbon, securing her a place in the Hoenn Grand Festival.
Berry, Berry Interesting	May catches a Munchlax.
Less is Morrison	Ash meets Morrison, a new friend and rival for the Hoenn League.
The Ribbon Cup Caper	Ash and his friends encounter Brodie again. Ash and his friends reach Slateport City.
Hi Ho Silver Wind!	Harley and Robert are revealed to have five Contest Ribbons each. Drew and Harley meet each other for the first time. May, Drew, Harley, and Robert enter the Hoenn Grand Festival and get past the first round.
Deceit and Assist	Harley is revealed to own a Banette. May's Skitty reveals via Assist that Munchlax knows Solar Beam. May, Drew, Harley, and Robert advance to the Battle Stage of the Hoenn Grand Festival. May starts her battle with Harley in the first round of the Battle Stage.
Rhapsody in Drew	May defeats Harley and Anthony and advances to the quarter-finals. Ash's Snorunt evolves into Glalie and masters Ice Beam. Drew is revealed to have obtained a Flygon. Drew defeats May in the quarterfinals. Robert defeats Drew in the finals, winning the Hoenn Grand Festival. Robert receives the Ribbon Cup and becomes a Top Coordinator.
Island Time	Ash and his friends travel from the Grand Festival to the Ever Grande Conference.
Like a Meowth to a Flame	Ash arrives in Ever Grande City and registers for the tournament. Ash meets Tyson, a new rival. Ash decides to use only his current party Pokémon in the tournament instead of using any of his Pokémon at Oak's. The Ever Grande Conference begins.
Saved by the Beldum	Morrison is revealed to have earned his eighth Badge and own a Swampert, a Girafarig, a Steelix, a Growlithe, and a Gligar. Morrison's Beldum evolves into Metang. Ash, Morrison, and Tyson make it through the Ever Grande Conference preliminaries.
From Brags to Riches	Ash, Morrison, and Tyson advance to the next round after several Double Battles.
Shocks and Bonds	Ash, Morrison, and Tyson advance to the Victory Tournament after several Double Battles. Tyson is revealed to own a Sceptile and a Donphan. Ash starts off the next round of the Hoenn League with a Full Battle against Katie.
A Judgment Brawl	Ash continues his Full Battle with Katie and wins, advancing to the eighth-finals of the Ever Grande Conference. Morrison and Tyson also advance to the eighth-finals of the tournament. Ash begins his Full Battle with Morrison.
Choose It or Loose It!	Ash continues his Full Battle against Morrison and wins, advancing to the quarterfinals of the Ever Grande Conference. Ash finds out that his next opponent is Tyson. Tyson is revealed to own a Hariyama and a Shiftry. Ash begins his Full Battle with Tyson.
At the End of the Fray	Ash continues his Full Battle against Tyson in the quarterfinals and ultimately loses. Tyson moves on to the semifinals and wins, advancing to the final round. Tyson defeats his opponent in the finals and wins the Ever Grande Conference. The Ever Grande Conference ends.

Kanto (Battle Frontier)

Episode	Details
The Scheme Team	Ash, Brock, May, and Max go their separate ways. Agatha of the Elite Four is revealed to be filling in as Gym Leader of Viridian Gym until the new Gym Leader arrives. Ash battles Agatha at the Viridian Gym and loses. Ash meets Scott, who tells him about the Battle Frontier. Ash returns home and meets up with Misty. Misty is revealed to have obtained an Azurill, which she hatched from an Egg she received from Tracey. Max arrives in Pallet Town with Professor Birch.
The Right Place and the Right Mime	May arrives in Pallet Town and reveals she left Beautifly and Skitty at the Petalburg Gym. May and Max meet Delia and Tracey for the first time. Misty and Tracey meet Professor Birch for the first time. Ash's Snorlax is revealed to know Tackle. Misty's Azurill is revealed to know Water Gun. Ash leaves his Torkoal and Glalie at Professor Oak's Laboratory. May receives a Squirtle from Professor Oak and decides to leave Bulbasaur with him at his lab. Professor Oak gives Ash and May a new Pokédex, while Max has his PokéNav updated. Ash learns that the first Battle Frontier facility is the Battle Factory, located near Cerulean City. Ash's Phanpy rejoins his team. Brock returns from Pewter City and rejoins the group. Ash, May, Brock, and Max begin their journey through Kanto, accompanied by Misty.
A Real Cleffa-Hanger	Brock is revealed to have left his Ludicolo at home with his mother and siblings. Misty's Azurill is revealed to know Bubble and Refresh. May's Munchlax is revealed to know Metronome. Misty leaves Ash's group to return to the Cerulean Gym.
Numero Uno Articuno	May, Max, and Brock meet Scott for the first time. Ash and his friends arrive at the Battle Factory and meet Factory Head Noland, the first Frontier Brain. Ash's Charizard returns. Ash and Charizard prepare to face off against Noland's Articuno.
The Symbol Life	Ash's Charizard is revealed to have learned Dragon Breath and Overheat. Ash and Charizard defeat Noland and Articuno, earning Ash his first Frontier Symbol, the Knowledge Symbol. Ash receives the Frontierfolio. Ash learns that the next Battle Frontier facility is the Battle Arena, and decides to head there. Charizard returns to the Charicific Valley.
The Mastermind of Mirage Pokémon	Misty's Staryu is revealed to know Bubble Beam. Professor Oak is revealed to own a Dragonite.
Hooked on Onix	May's Squirtle is revealed to know Bubble. Ash's Phanpy is revealed to know Hidden Power.
On Cloud Arcanine	Ash and his friends meet up with Drew again. Drew is revealed to have earned his first Kanto Ribbon. May attempts to catch an Arcanine, but decides against it later. May's Squirtle is revealed to know Tackle and Water Gun. May learns that a Pokémon Contest will be held in Saffron City.
The Saffron Con	Ash and his friends arrive in Saffron City and meet up with Harley. Harley is revealed to have obtained an Ariados. May's Squirtle learns Ice Beam. May obtains a Kanto Contest Pass and a new Ribbon case, allowing her to compete in Kanto Pokémon Contests.
A Hurdle for Squirtle	May, Jessie, and Harley compete in the Saffron City Pokémon Contest. May wins the Saffron Contest, earning her first Kanto Ribbon.
Pasta La Vista	Ash and his friends leave Saffron City.
Sweet Baby James!	May and Max learn that James comes from a rich family. James leaves Chimecho at his old cottage to continue recovering from its fever. James catches a Mime Jr.
A Chip Off the Old Brock	Brock's Mudkip evolves into Marshtomp and learns Mud Shot.
Wheel...of Frontier!	Ash temporarily returns his Snorlax back to his team from Professor Oak's Laboratory. Ash and his friends arrive at the Battle Arena and meet Arena Tycoon Greta, the second Frontier Brain. Ash's Snorlax is revealed to have learned Protect and Rest. Ash defeats Greta, earning the Guts Symbol. Ash learns the next Battle Frontier facility is the Battle Dome, located south of Lavender Town.
May's Egg-cellent Adventure!	May's Munchlax learns Focus Punch and uses Solar Beam for the first time. Ash's Pikachu learns Volt Tackle. May receives a Pokémon Egg from Christopher and Jeannie.
Weekend Warrior	May wins her second Kanto Ribbon in the Silver Town Pokémon Contest.
On Olden Pond	May's Squirtle learns Rapid Spin.
Tactic Theatrics!!	Ash and his friends arrive at the Battle Dome and meet Dome Ace Tucker, the third Frontier Brain. Ash battles Tucker and wins, earning the Tactics Symbol.
Reversing the Charges	Ash learns that the next Battle Frontier facility is the Battle Pike near Fuchsia City. Ash's Phanpy evolves into Donphan and learns Hyper Beam.
The Green Guardian	Ash's Pikachu masters Volt Tackle. Ash and his friends meet Solana and learn about Pokémon Rangers.
From Cradle to Save	Brock catches a Bonsly.
Time Warp Heals All Wounds	May's Egg hatches into an Eevee.
Queen of the Serpentine!	Ash and his friends arrive at the Battle Pike and meet Pike Queen Lucy, the fourth Frontier Brain. Ash battles Lucy and wins, earning the Luck Symbol. Ash learns that the next Battle Frontier facility, the Battle Palace, is on Metallica Island near Seafoam Islands.
Off the Unbeaten Path	Ash, his friends, Jessie, and James all enter the Pokémon Orienteering competition. James wins the competition and receives the Pokémon Teamwork Medal. May learns the next Pokémon Contest will be held in Wisteria Town.
Harley Rides Again	Ash and his friends arrive in Wisteria Town and meet up with Harley again. May and Harley enter the Wisteria Town Pokémon Contest. Harley is revealed to have earned three Kanto Ribbons and own an Octillery. May's Munchlax is revealed to know Tackle. Harley defeats May in the final round, earning the Wisteria Ribbon, his fourth Kanto Ribbon. May suffers her first loss in the Kanto region, as well as her first loss to Harley. May learns from Lilian that the next Pokémon Contest will be held on Chrysanthemum Island. May receives an invitation for the Chrysanthemum Contest from someone she suspects to be Drew.
Odd Pokémon Out!	Ash's Grovyle evolves into a Sceptile. The shock of Meganium's rejection causes Sceptile to become unable to use attacks.
Spontaneous Combusken!!	Ash and his friends arrive in Chrysanthemum Island and meet up with Drew again. It is revealed that May's invitation was sent by Brianna rather than Drew. James's Mime Jr. is revealed to know Mimic and Tickle. May's Combusken learns Mega Kick. May enters the Chrysanthemum Contest and wins, earning her third Kanto Ribbon.
Cutting the Ties that Bind	May's Eevee is revealed to know Shadow Ball. Ash and his friends meet Palace Maven Spenser, the fifth Frontier Brain. Ash's Sceptile regains its ability to use attacks.
Ka Boom with a View!	Ash's Heracross temporarily returns from Professor Oak's lab to battle. Ash's Sceptile learns Solar Beam. Ash battles Spenser and wins, earning the Spirits Symbol.
King and Queen for a Day!	Ash's next Battle Frontier match is revealed to be at the Battle Tower near Cremini Town. James's Mime Jr. is revealed to know Teeter Dance. Brock's Bonsly is revealed to know Flail.
Curbing the Crimson Tide!	May learns that a Pokémon Contest will be held in Gardenia Town. Ash's Sceptile is revealed to know Agility. May's Squirtle is revealed to know Withdraw.
What I Did for Love!	May's Eevee learns Dig and is revealed to know Tackle. Brock's Marshtomp is revealed to have learned Protect and Tackle. Brock obtains a Kanto Contest Pass and enters a Pokémon Contest for the first time. May enters the Gardenia Town Pokémon Contest along with Brock. May defeats Brock in the finals, winning the Gardenia Contest and earning her fourth Kanto Ribbon.
Talking a Good Game	Ash and his friends arrive at the Battle Tower and meet Salon Maiden Anabel, the sixth Frontier Brain, with whom Ash strikes up a friendship. One of Ash's Tauros temporarily returns from Professor Oak's Laboratory to battle. Ash battles Anabel, but loses the match, resulting in his first Battle Frontier loss.
Second Time's the Charm!	Ash has a rematch against Anabel and wins, winning himself the Ability Symbol. Ash's Tauros is revealed to know Double Team. The location of the Battle Pyramid is revealed to be near Pewter City for now.
Pokémon Ranger - Deoxys' Crisis! (Part 1)	Ash and his friends meet up with Pokémon Ranger Solana again and encounter the Mythical Pokémon Deoxys.
Pokémon Ranger - Deoxys' Crisis! (Part 2)	May's Combusken is revealed to know Flamethrower.
All That Glitters is Not Golden!	Ash tries to catch a Sudowoodo, but fails due to it already having a Trainer. May learns that a Pokémon Contest will be held in Mulberry City.
New Plot - Odd Lot	Ash and his friends arrive in Mulberry City and meet up with Harley again. Harley is revealed to have won his fifth Kanto Contest Ribbon already, qualifying him for the Kanto Grand Festival. Harley and Team Rocket form an alliance in order to ensure May loses her next Pokémon Contest. Harley loans his Cacturne and Banette to Jessie. May and Jessie enter the Mulberry Contest and advance to the Battle Stage.
Going for Choke!	May wins the Mulberry Contest, earning her fifth Kanto Ribbon and securing her a place in the Kanto Grand Festival. The group learns that the Kanto Grand Festival will be held at Indigo Plateau. Harley takes Cacturne and Banette back from Jessie. Drew is revealed to have earned four more Ribbons, thus bringing his total to five and qualifying him for the Grand Festival.
The Ole' Berate and Switch!	May and Max meet Butch and Cassidy for the first time. Team Rocket break up, and Jessie and James temporarily join with Butch and Cassidy, respectively.
Grating Spaces!	Ash and his friends arrive at Pewter City. May and Max meet Brock's family while Ash meets Brock's mother, Lola, for the first time. Brock's Onix is revealed to have evolved into Steelix and learned Iron Tail and Dragon Breath. Brock's Geodude is revealed to have learned Sandstorm and Mega Punch. Jessie and James receive a Charizard and an Aggron, respectively, from the Team Rocket HQ. The Pokémon are later taken away by TRDelibird ([[{{{2}}} (move)|{{{2}}}]]) to be delivered to Cassidy and Butch.
Battling the Enemy Within	Ash and his friends arrive at the Battle Pyramid and meet Pyramid King Brandon, the seventh and final Frontier Brain. Ash is possessed by the evil spirit of the King of the Pokélantis Empire, which comes from the stone sphere sealed in the Ancient Ruins, and Brandon agrees to battle the King in order to save Ash. Ash's Sceptile fights Brandon's Regirock in an unofficial battle and loses. Brandon promises Ash an official battle, but it will not be for some time because he has business elsewhere. Ash sees Ho-Oh for the third time, while May, Max, Brock, and Scott see Ho-Oh for the first time.
Slaking Kong	Ash befriends an Aipom who starts following the group.
May, we Harley Drew'd Ya!	Ash and his friends arrive at the Indigo Plateau, site of the Kanto Grand Festival. Ash, May, and Max meet Solidad, a Coordinator from Pewter City and an acquaintance of Brock, Drew, and Harley. Solidad, Drew, Harley, and May advance from the preliminaries to the first round of the Kanto Grand Festival. Ash discovers that the Aipom he met previously is following the group when she steals his hat again. Drew is revealed to have obtained an Absol.
Thinning the Hoard!	Ash fails to catch the Aipom that has been following the group. Aipom develops an interest in Pokémon Contests. May, Drew, Harley, and Solidad advance to the Contest Battles of the Kanto Grand Festival. Harley is revealed to own a Wigglytuff. May defeats Harley and advances to the quarterfinals. Drew and Solidad defeat their opponents and advance to the quarterfinals. May starts her battle with Drew in the quarterfinals.
Channeling the Battle Zone!	May defeats Drew in the quarterfinals of the Kanto Grand Festival. May's Combusken learns Overheat. Ash finally catches the Aipom that had been following him. Aipom is revealed to know Swift and Focus Punch. Solidad is revealed to own a Pidgeot and a Butterfree. Solidad defeats May in the semifinals. Solidad wins the Kanto Grand Festival, earning the Ribbon Cup and the title of Top Coordinator. Ash learns that the Battle Pyramid is in Fennel Valley.
Aipom and Circumstance!	Ash's Aipom is revealed to know Double Team.
Overjoyed!	Ash and his friends arrive in Fennel Valley. Ash sends his Aipom to Professor Oak's Laboratory in exchange for his Torkoal, which is revealed to have learned Heat Wave. Ash's Torkoal battles Brandon's Registeel in an official battle, but is defeated. Brandon leaves the Battle Pyramid to catch a Pokémon, presumably Regice, on his own.
The Unbeatable Lightness of Seeing!	Ash receives a postcard informing him of the Sinnoh region from Gary, and a fishing lure from Misty. May's Beautifly and Skitty return from Petalburg City. Beautifly is revealed to have learned Psychic. Drew is revealed to own a Butterfree. May has a practice Contest Battle against Drew and loses. Drew and Harley announce that they, along with Solidad, are heading to Johto to participate in Pokémon Contests there.
Pinch Healing!	Ash is revealed to have added Aipom back to his team and sent Torkoal back to Professor Oak's Laboratory.
Gathering The Gang of Four!	Ash's Bulbasaur is sent over by Tracey from Professor Oak's Laboratory. Ash's Squirtle returns from the Squirtle Squad and is revealed to have learned Rapid Spin. Ash's Charizard returns from the Charicific Valley and is revealed to have learned Steel Wing. Ash meets Brandon again, and is allowed to have a rematch with him. Scott explains that those who successfully defeat the Battle Frontier become Frontier Brain candidates. Scott is revealed to own the Battle Frontier. Ash and Brandon begin their rematch.
Pace - The Final Frontier!	Ash continues his rematch against Brandon and wins, earning the Brave Symbol and entering the Battle Frontier Hall of Fame. Scott offers Ash a position as a Frontier Brain, but Ash turns it down. Ash's Bulbasaur, Charizard, and Squirtle return to Professor Oak's Laboratory, the Charicific Valley, and the Squirtle Squad, respectively.
Once More with Reeling!	Ash and his friends arrive in Terracotta Town. Ash and May learn about the unofficial Terracotta Contest and decide to enter, with Ash competing in a Pokémon Contest for the first time. May's Combusken evolves into Blaziken and learns Blaze Kick. Ash and May both enter the final round with Sceptile and Blaziken, respectively. May's Blaziken is revealed to have Blaze as its Ability.
Home is Where the Start Is!	Ash and May tie in the final round of the unofficial Terracotta Contest and decide to split the Terracotta Medal in half. May announces her decision to go to the Johto region alone. May and Max return to Petalburg City, while Brock returns to Pewter City. Ash encounters Gary, who is revealed to have obtained an Electivire. Ash returns to Pallet Town and challenges Gary to a battle, but loses. Gary returns to Sinnoh to continue his research. Ash receives a new Pokédex from Professor Oak. Ash decides to go to Sinnoh, leaving behind all his Pokémon except Pikachu. Ash's Aipom stows away on the ship Ash and Pikachu are riding, in order to follow them.

Diamond & Pearl series

Sinnoh

Episode	Details
Following a Maiden's Voyage!	Dawn, a beginning Trainer and aspiring Coordinator, leaves Twinleaf Town to start her Pokémon journey. Dawn sees the spirit of a Mesprit in Lake Verity. Dawn chooses Piplup as her starter Pokémon and receives a Pokédex and six Poké Balls from Professor Rowan. Ash arrives at Sinnoh, only to have Pikachu taken away and lost by Team Rocket, who followed him to the region.
Two Degrees of Separation!	Dawn decides to make her Coordinator debut at the Jubilife City Pokémon Contest. Dawn tries to catch a Buneary and a Burmy, but fails both times. Dawn runs into Ash's Pikachu and attempts to catch him, but fails since he has a Trainer already. Ash's Pikachu accidentally destroys Dawn's bicycle. Dawn meets and fights Team Rocket for the first time. Ash meets Professor Rowan for the first time. James retrieves the Carnivine that he had as a child. Brock arrives in Sinnoh and rejoins with Ash. Ash catches a Starly. Paul is introduced.
When Pokémon Worlds Collide!	Ash and Brock meet Paul, Ash's newest rival. Paul catches three Starly and releases two, keeping the one that knows Aerial Ace, only to release it later. Ash and Brock find Pikachu and meet Dawn for the first time in the middle of a battle with Team Rocket. Ash changes to his Diamond & Pearl series outfit. Ash and Brock decide to travel with Dawn. Brock meets Professor Rowan for the first time, while Dawn meets Paul for the first time. Paul challenges Ash to a three-on-three battle, which ends in a tie. Ash decides to head for the Oreburgh Gym after the Jubilife Contest.
Dawn Of A New Era!	Dawn fails to catch a wild Buneary for the second time. Ash and his friends meet Nando. Dawn has her first Trainer battle against Nando and loses. Ash registers for the Sinnoh League. Brock reveals that he has only brought Bonsly with him to Sinnoh, having left his other Pokémon at the Pewter Gym. Ash, Dawn, and Brock learn that James owns a Carnivine. James's Carnivine is revealed to know Bite. Ash has a battle with Nando and wins. Nando's Budew evolves into Roselia. Nando declares his intention to compete for both Badges and Ribbons, thus making him a rival of both Ash and Dawn.
Gettin' Twiggy With It!	James's Carnivine is revealed to know Bullet Seed. Ash catches a Turtwig.
Different Strokes for Different Blokes	Ash and his friends encounter Paul again. Ash's Turtwig starts to listen to Ash. Paul's Chimchar is revealed to know Dig. Paul catches a Stantler but subsequently releases it. Paul catches an Ursaring. Ash has a battle against Paul and loses, suffering his first loss to Paul.
Like It or Lup It!	Dawn's Piplup learns how to use Contest Moves.
Gymbaliar	Jessie, James, and Meowth make an unofficial Gym and begin battling Trainers. Jessie's Dustox is revealed to know Stun Spore. Brock catches a Croagunk.
Setting the World on its Buneary!	A wild Buneary develops feelings for Ash's Pikachu. Dawn catches the Buneary, making it her first caught Pokémon in her journey.
Not on My Watch Ya Don't!	Ash and his friends arrive in Jubilife City. Dawn obtains a pink Pokétch.
Mounting a Coordinator Assault!	Ash, Dawn, and Brock meet Zoey, Dawn's first rival. Ash and Dawn are issued a Sinnoh Contest Pass and obtain a Ribbon case, Ball Capsule, and Seals. Jessie adopts a persona by the name of Jessilina to participate in Pokémon Contests in the Sinnoh region. Ash, Dawn, Zoey, and Jessilina enter the Jubilife City Pokémon Contest and compete in the Performance Stage. In the process, Dawn makes her debut as a Coordinator and Ash participates in an official Pokémon Contest for the first time.
Arrival of a Rival!	Dawn, Ash, Jessilina, and Zoey advance to the Battle Stage of the Jubilife City Pokémon Contest. James's Carnivine is revealed to know Bind. Zoey defeats Ash in the quarterfinals, Dawn in the semifinals, and Jessilina in the finals. Zoey wins the Jubilife Contest and earns her second Ribbon, the Jubilife Ribbon.
A Staravia is Born!	Ash's Starly is revealed to have learned Aerial Ace. Brock's Bonsly learns Mimic. Jessie's Dustox is revealed to know Gust. Ash's Starly evolves into Staravia.
Leave It To Brocko!	Brock's Bonsly evolves into Sudowoodo.
Shapes of Things to Come!	Ash and his friends arrive in Oreburgh City and meet Roark, the local Gym Leader. Ash receives a Sinnoh Badge Case. Paul's Chimchar's Ability is revealed to be Blaze. Paul is revealed to have obtained an Azumarill. Paul defeats Roark in a Gym battle and earns the Coal Badge.
A Gruff Act to Follow!	Paul gives his Azumarill to a young boy. Ash battles Roark in his first Sinnoh Gym match and loses.
Wild in the Streets!	Brock's Sudowoodo is revealed to have Rock Head as its Ability. Jessie attempts and fails to catch an Aerodactyl. Roark's Cranidos evolves into Rampardos. Dawn learns that a Pokémon Contest will be held in Floaroma Town.
O'er the Rampardos we Watched!	Ash has a rematch with Roark and wins, earning him his first Sinnoh League Badge, the Coal Badge.
Twice Smitten, Once Shy!	Dawn catches, releases, and recatches a Pachirisu. While Pachirisu is released, Jessie tries to catch it, but fails.
Mutiny in the Bounty!	Ash and his friends meet Pokémon Hunter J.
Borrowing on Bad Faith!	Dawn and Jessie enter an unofficial Pokémon Contest. Jessie borrows Ash's Aipom. Jessie defeats Dawn in the second round and wins her first Pokémon Contest.
Oh Do You Know The Poffin Plan!	Ash and his friends arrive in Floaroma Town. Dawn learns how to make Poffins.
Getting the Pre-Contest Titters!	Dawn meets up with Kenny, her childhood friend and newest rival. Ash and Brock meet Kenny for the first time. Ash has a battle with Kenny, which gets interrupted by Team Rocket. Dawn's Piplup learns Whirlpool. Dawn, Kenny, and Jessilina enter the Floaroma Town Pokémon Contest.
Settling a Not-So-Old Score!	Dawn, Kenny, and Jessilina advance to the Battle Stage of the Floaroma Town Pokémon Contest. Dawn defeats Kenny in the final round and wins the Floaroma Contest. Dawn earns her first Contest Ribbon, the Floaroma Ribbon.
The Champ Twins!	Ash and Dawn have their first Tag Battle together.
Some Enchanted Sweetening	Ash, Dawn, and Brock meet Cheryl, who joins the group. Cheryl catches a Burmy, which later evolves into Mothim.
The Grass-Type is Always Greener!	Ash and his friends meet Gardenia. Ash has an unofficial battle with Gardenia, and loses.
An Angry Combeenation!	Cheryl finds the Honey she was searching for, and leaves the group.
All Dressed Up with Somewhere to Go!	Ash, Dawn, Brock, Jessie, and James all enter the Pokémon Dress-Up Contest. Brock wins the Dress-Up Contest, receiving a Pokémon Egg as a prize.
Buizel Your Way Out of This!	Ash and his friends meet up with Zoey again. Dawn catches a Buizel that Ash and Zoey previously failed to catch. Dawn learns that a Pokémon Contest will be held in Hearthome City.
An Elite Greet and Meet!	Ash and his friends meet Lucian, a member of the Sinnoh Elite Four. Ash learns about the Champion League. Dawn and Buizel battle against Lucian and his Bronzong, but are defeated. Buizel begins to obey Dawn. Dawn has a rematch with Lucian, but he calls it off after seeing how well Dawn and Buizel now work together.
A Secret Sphere of Influence!	Ash and his friends arrive in Eterna City and meet up with Nando again. Nando is revealed to own a Sunflora and to have won the Forest Badge as well as his first Contest Ribbon. Ash also meets the Officer Jenny from Viridian City again. Ash, Dawn, and Brock learn that Gardenia is the Gym Leader of the Eterna Gym. Team Galactic are introduced, having hired Team Rocket to steal the Adamant Orb.
A Grass Menagerie!	Ash has an official Gym battle with Gardenia and wins, earning the Forest Badge.
One Big Happiny Family!	Brock's Egg hatches into Happiny. Brock polishes a white stone into an Oval Stone for Happiny.
Top-Down Training!	Ash, Dawn, and Brock encounter Paul again. Ash, Dawn, Brock, and Paul meet Cynthia, the Sinnoh League Champion. Paul's starter Pokémon is revealed to have been a Turtwig, which has already evolved into a Torterra. Paul is revealed to own a Weavile and a Murkrow. Paul has a Full Battle against Cynthia and loses by forfeit. Paul's Chimchar is revealed to have learned Fire Spin. Paul is revealed to have traveled through Hoenn, Johto, and Kanto and participated in their respective League Conferences. The Lustrous Orb is discovered near Celestic Town.
A Stand-Up Sit-Down!	Ash and his friends meet up with Zoey again. Zoey is revealed to have caught a Shellos in the same lake Dawn caught her Buizel. Dawn learns that the Hearthome Contest and the Sinnoh Grand Festival will follow the Double Performance format. Dawn attempts the Ice Aqua Jet combination for the first time and fails. Jessilina has a two-on-two Contest Battle against Zoey and loses.
Ill-Will Hunting!	Ash and Brock meet up with Gary again. Dawn meets Gary for the first time. Ash and his friends come across J again.
A Maze-ing Race!	Dawn obtains the Coin Toss app for her Pokétch.
Sandshrew's Locker!	Ash and his friends meet Mira, who later teleports them to Hearthome City with the help of her Abra.
Dawn's Early Night!	Ash and his friends arrive in Hearthome City and meet up with Nando again. Ash learns that the Gym Leader of the Hearthome Gym is away. Nando is revealed to have obtained a Kricketune. Ash and Brock decide to enter the Hearthome City Tag Battle Competition after learning about it from Nando. Dawn meets up with Zoey again while Nando meets her for the first time. Dawn, Zoey, Nando, and Jessilina enter the Hearthome City Pokémon Contest. Dawn loses in the Performance Stage while her rivals advance to the Battle Stage. Nando defeats Jessilina and Zoey to win the Hearthome Ribbon, his second Contest Ribbon overall.
Tag! We're It!	Ash, Dawn, and Brock enter the Hearthome City Tag Battle Competition and are paired with Paul, Conway, and Holly, respectively. The three teams advance to the second round of the competition. Paul's Chimchar is revealed to have learned Flamethrower.
Glory Blaze!	Paul is revealed to have caught a Ninjask after he returned to Sinnoh. Conway is revealed to own an Aggron. Ash and Paul, Dawn and Conway, and Brock and Holly advance to the semifinals of the Hearthome City Tag Battle Competition. Paul releases Chimchar. Ash invites Chimchar to join his team.
Smells Like Team Spirit!	Chimchar joins Ash's party. Ash and Paul defeat Brock and Holly in the semifinals. Conway is revealed to own a Heracross. Paul's Elekid evolves into an Electabuzz. Ash and Paul defeat Dawn and Conway in the finals, winning the Hearthome City Tag Battle Competition and receiving a Soothe Bell each. Paul gives his Soothe Bell to Ash. Ash learns of a Gym in Veilstone City and decides to head there next.
Tears For Fears!	Ash's Chimchar overcomes its fear of Zangoose.
Once There Were Greenfields!	The group encounters Gardenia again. Ash and Dawn have a Tag Battle with James and Gardenia and win. James's Cacnea begins to learn Drain Punch. James gives his Cacnea to Gardenia for training.
Throwing the Track Switch	Ash and his friends meet up with Zoey again. Kenny is revealed to have earned two Contest Ribbons. Dawn learns that the next Pokémon Contest will be held in Solaceon Town. Ash and Dawn trade their Aipom and Buizel.
Journey to the Unknown!	Ash and his friends arrive in Solaceon Town and meet with Kenny again. Kenny is revealed to have obtained a Breloom. Kenny agrees to help Turtwig learn Energy Ball. Dawn's Aipom learns Double Hit. Dawn's Aipom evolves into Ambipom. Saturn steals a cube from the Solaceon Ruins.
Team Shocker!	Dawn, Kenny, and Jessilina enter the Solaceon Town Pokémon Contest. Dawn fails to pass the Performance Stage for the second time in a row, resulting in her losing confidence in her abilities. Jessilina defeats Kenny in the finals and wins the Solaceon Contest, earning the Solaceon Ribbon, her first Contest Ribbon. Ash's Turtwig continues to learn Energy Ball. Zoey returns to correct Dawn's Appeal errors.
Tanks for the Memories!	Brock's Happiny learns Secret Power and is also revealed to know Pound. Ash's Turtwig continues to learn Energy Ball. Dawn begins to suffer a lack of confidence after her recent Contest losses.
Hot Springing a Leak!	Dawn meets with her childhood friend Leona.
Riding the Winds of Change!	Ash, Brock, and Dawn enter a town having a problem with trapped Gligar. Paul uses his Electabuzz and Weavile to capture the Gligar's leader, a Gliscor. Ash, Brock, and Dawn help Nurse Joy and Officer Jenny chase the Gligar from the town. One Gligar remains behind, and chooses to go with Ash.
Sleight of Sand!	Ash and his friends encounter the wild Hippopotas again. Dawn meets Butch and Cassidy for the first time. Butch is revealed to own a Shuckle while Cassidy is revealed to own a Granbull.
Lost Leader Strategy!	Ash and his friends arrive in Veilstone City and meet Maylene, the local Gym Leader. Ash and his friends meet Reggie, Paul's brother and a Pokémon Breeder who takes care of Paul's Pokémon. Ash defeats Reggie in a three-on-three Battle. Reggie reveals some events that happened to Paul. Paul's Murkrow evolved into Honchkrow. Paul caught a Magmar, replacing his Chimchar. Paul defeated Maylene and earned the Cobble Badge. Reggie promises to help Ash to teach his Staravia to use Brave Bird. Dawn decides to have a Gym battle with Maylene to rebuild Maylene's confidence.
Crossing the Battle Line!	Ash's Staravia begins to learn Brave Bird with the aid of Reggie and his Staraptor. Dawn has her first-ever Gym battle with Maylene, and loses. The outcome of the battle restores the confidence of both Dawn and Maylene.
A Triple Fighting Chance!	Ash's Staravia perfects Brave Bird. Ash's Buizel learns Water Pulse. Ash's Buizel is revealed to have Swift Swim as his Ability. Ash's Gym battle with Maylene ends in a tie, but he still receives the Cobble Badge.
Enter Galactic!	Ash decides to head for the Pastoria Gym next via Lake Valor. Ash and his friends learn of Team Galactic and encounter them for the first time. Ash's Pikachu and Paul's Electabuzz settle their differences. Reggie prepares to send Electabuzz back to Paul. The cube Team Galactic stole from the Solaceon Ruins in Journey to the Unown! is revealed to be the Spear Key. Brock's Croagunk starts a rivalry with Saturn's Toxicroak.
The Bells Are Singing!	Ash's Gligar is revealed to know X-Scissor, Sand Attack, and Steel Wing.
Pokémon Ranger and the Kidnapped Riolu! (Part 1)	Ash and his friends meet Kellyn. Ash and Brock meet Solana again, while Dawn meets her for the first time. Dawn learns about Pokémon Rangers, and also learns that Ash can use Aura. Ash and his friends meet a special Riolu that is capable of using Aura Sphere.
Pokémon Ranger and the Kidnapped Riolu! (Part 2)	J steals the special Riolu. Ash saves Riolu from J and the man J is working for.
Crossing Paths	Jessie releases her Dustox so she could breed.
Pika and Goliath!	Pikachu loses a battle against a boy's Raichu. Ash reveals that he still has the Thunder Stone he received in Vermilion City. Pikachu decides once again not to evolve into Raichu. Pikachu defeats Sho's Raichu in a rematch. Team Rocket steals Ash's Thunder Stone.
Our Cup Runneth Over!	Dawn learns about the upcoming Wallace Cup and decides to enter. Ash and his friends meet Wallace, a Contest Master and the current Hoenn League Champion. Wallace recommends that Ash enters the Wallace Cup with Buizel, which he agrees to do. May contacts Ash from Snowpoint City.
A Full Course Tag Battle!	May arrives at Lake Valor for the Wallace Cup. Dawn and May meet for the first time. May's Eevee is revealed to have evolved into a Glaceon while in Snowpoint City, and to have learned Ice Beam and Iron Tail. It is revealed in a flashback that Drew's Roselia has evolved into a Roserade. May is revealed to have won three Johto Ribbons.
Staging A Heroes' Welcome!	Ash, Dawn, May, Jessilina, and Zoey enter the Wallace Cup. May and Zoey meet for the first time. May's Squirtle is revealed to have evolved into a Wartortle during her travels in Johto and learned Aqua Tail. Zoey is revealed to have obtained a Finneon. Ash, Dawn, May, and Zoey make it to the Contest Battles while Jessilina loses in the Performance Stage.
Pruning a Passel of Pals!	Ash encounters a mysterious Pokémon near Lake Valor. Ash and his friends compare about their encounters with the lake guardians. May's Bulbasaur is revealed to have evolved into a Venusaur during her travels in Johto. Buizel perfects the Ice Aqua Jet combination. Ash loses his second match in the Battle Stage to Kyle. May, Dawn, Zoey, and Kyle advance to the semifinals.
Strategy With a Smile!	Dawn and May defeat Kyle and Zoey, respectively, in the semifinals of the Wallace Cup. May's Beautifly is revealed to have learned Aerial Ace. Dawn and May face each other in the finals. May's Glaceon is revealed to have learned Secret Power, Ice Shard, and Mirror Coat. Dawn wins the Wallace Cup and her second Contest Ribbon, the Aqua Ribbon, finally breaking her losing streak. May and Zoey leave the group, and May returns to Johto.
The Thief That Keeps on Thieving!	Jessie catches a Yanma. Team Rocket sends Yanma to Giovanni, who sends her back after deciding he does not need her. Jessie's Yanma evolves into Yanmega.
Chim - Charred!	Ash challenges Paul to a three-on-three battle, but it gets called off. Ash's Chimchar activates Blaze, which causes it to go on a violent rampage until it is stopped by Ash.
Cream of the Croagunk Crop!	Ash and his friends arrive in Pastoria City and meet its Gym Leader, Crasher Wake. James's Carnivine is revealed to have been caught at the Great Marsh. Brock enters the Pastoria Croagunk Festival competition and loses.
A Crasher Course in Power!	Ash has a Gym battle with Crasher Wake and wins, earning the Fen Badge.
Hungry For the Good Life!	Jessie's Yanmega is revealed to know Steel Wing. Dawn catches a Swinub. Dawn learns that a Pokémon Contest will be held in Celestic Town.
Fighting Fear With Fear!	Ash and his friends meet up with Gary again. Gary gives Ash a Razor Fang. Ash uses the Razor Fang to evolve his Gligar into a Gliscor. Jessie's Yanmega is revealed to know Silver Wind.
Arriving in Style!	Ash and his friends return to Hearthome City and learn that the Gym Leader still has not returned. Ash, Dawn, and Jessilina participate in the Hearthome Collection. Dawn wins the Hearthome Collection while Ash receives a special award for his unique performance. Dawn turns down the Poké Chic campaign to focus on her career as a Pokémon Coordinator.
The Psyduck Stops Here!	Dawn's Swinub is revealed to know Dig.
Camping It Up!	Ash, Dawn, and Brock enroll in the Pokémon Summer Academy. Ash and his friends meet up with Conway again. Ash and his friends meet Angie, another student in the Summer Academy.
Up Close and Personable!	Ash and his friends continue their week in the Pokémon Summer Academy.
Ghoul Daze!	Ash and his friends continue their week in the Pokémon Summer Academy.
One Team, Two Team, Red Team, Blue Team!	Ash, Dawn, Brock, Jessie, Conway, and Angie compete in the Pokémon Triathlon and Ash wins. The Red Team gets the most points. The week in the Pokémon Summer Academy ends.
Playing the Leveling Field!	Ash and his friends meet Fantina, the Hearthome City Gym Leader. Zoey has a Contest Battle with Fantina and loses. Ash has an unofficial battle with Fantina and forfeits. Zoey is revealed to have won her third Contest Ribbon.
Battling the Generation Gap!	Ash and his friends arrive in Celestic Town. Dawn, Jessilina, and Lila enter the Celestic Town Pokémon Contest. Dawn meets Lila, a famous Pokémon Stylist and an old rival of Johanna. Dawn defeats Lila in the final round and wins the Celestic Contest. Dawn earns the Celestic Ribbon, her third Contest Ribbon overall.
Losing Its Lustrous!	Brock's Croagunk is revealed to have Anticipation as his Ability. Team Galactic steals the Adamant Orb. Ash and his friends meet Cynthia again. Ash and his friends meet Professor Carolina and Cyrus for the first time. Ash and Dawn learn that the mysterious Pokémon they saw at Lake Verity and Lake Valor were Mesprit and Azelf. Ash and his friends encounter Mars, another Team Galactic Commander.
Double Team Turnover!	Cynthia is revealed to own a West Sea Gastrodon. Team Galactic obtains the Lustrous Orb. Cyrus is revealed to be Team Galactic's leader. Team Galactic begins plans to capture the lake guardians.
If the Scarf Fits, Wear It!	Ash and his friends meet up with Angie again.
A Trainer and Child Reunion!	Ash and his friends meet Aaron, a member of the Sinnoh Elite Four. Aaron reveals he is battling Cynthia for the title of Sinnoh League Champion. Aaron's Beautifly, which he abandoned as a child, rejoins his team.
Aiding the Enemy!	Aaron battles Cynthia for the title of Pokémon Champion and loses. Ash and his friends meet up with Paul again. Paul is revealed to have won the Relic Badge. Ash has a one-on-one battle with Paul and loses. Ash's Turtwig evolves into Grotle. Paul's Torterra teaches Grotle how to deal with its reduced Speed.
Barry's Busting Out All Over!	Ash and his friends return to Hearthome City and meet Barry. James learns from Barry that his Cacnea has perfected Drain Punch with Gardenia's help. Ash defeats Barry in a battle. Ash prepares to battle against Fantina.
A Shield with a Twist!	Jessilina enters the Majolica Town Pokémon Contest and wins, earning her second Ribbon. Ash has an official Gym battle against Fantina and wins, earning the Relic Badge.
Jumping Rocket Ship!	Ash and his friends arrive in Canalave City. Meowth claims to be learning Night Slash, but refuses to use the move due to its scariness. Barry leaves the group to train at Iron Island.
Sleepless in Pre-Battle!	Ash arrives at the Canalave Gym, only to find out that the local Gym Leader is away training on Iron Island. Dawn's Swinub evolves into Piloswine.
A Breed Stampede!	Dawn learns that a Pokémon Contest is scheduled to be held in Chocovine Town. Kenny is revealed to have earned the Gerbera Ribbon, his third overall. Nando is revealed to have earned the Beach Rose Ribbon, his fourth overall. Dawn's Piloswine learns Ancient Power and starts disobeying its Trainer. Ash's Gliscor is revealed to have learned Screech and learns Fire Fang. Ash's Grotle begins to utilize the lessons that were taught to it by Paul's Torterra. Dawn's Piloswine evolves into Mamoswine, but remains disobedient. Ash learns that the Canalave Gym Leader has returned.
Ancient Family Matters!	Ash and his friends meet Byron, the Canalave City Gym Leader. Ash and his friends also meet Roark again, and find out that he is Byron's son.
Dealing with Defensive Types!	Ash battles and defeats Byron in a Gym battle, earning the Mine Badge.
Steeling Peace of Mind!	Ash decides to head for Snowpoint City for his next Gym battle. Ash and his friends meet Riley. Barry is revealed to have captured a Heracross. The group encounters Commander Mars of Team Galactic again. Team Galactic excavates a mysterious temple and, using the Spear Key, causes it to send out a strange beam that impacts Mt. Coronet.
Saving the World from Ruins!	Ash and Brock succeed in stopping Team Galactic in their search for the Spear Pillar. James's Carnivine learns Vine Whip. Mars attempts to blow up Iron Island using bombs but is stopped by Riley and his Lucario.
Dealing with Defensive Types!	Ash and his friends make it to Chocovine Town.
Another One Gabites the Dust!	Dawn meets Ursula, a fellow Coordinator and her newest rival. Dawn's Pachirisu learns Super Fang. Dawn, Jessilina, and Ursula enter the Chocovine Town Pokémon Contest. Jessie's Yanmega is revealed to have Speed Boost as her Ability. Dawn defeats Ursula in the final round and wins the Chocovine Contest. Dawn earns her fourth Contest Ribbon, the Chocovine Ribbon.
Noodles! Roamin' Off!	The Team Rocket trio disbands, but eventually gets together again.
Pursuing a Lofty Goal!	Ash and his friends arrive in Squallville. Ash, James, and Paul enter the Squallville PokéRinger. Ash's Staravia evolves into Staraptor and learns Close Combat. Ash defeats Paul for the first time and wins the Squallville PokéRinger.
Trials and Adulations!	Mamoswine begins to obey Dawn.
The Lonely Snover!	Ash's Grotle learns Rock Climb. Dawn learns that a Pokémon Contest will be held in Sandalstraw Town.
Stopped in the Name of Love!	Ash and his friends arrive in Sandalstraw Town and meet up with Barry and Kenny again. The group learns about an upcoming Pokémon Ping Pong Tournament, which Barry is planning to enter. Dawn's Piplup begins to evolve, but chooses not to. Nurse Joy gives Dawn an Everstone to prevent Piplup's evolution.
Old Rivals, New Tricks!	Dawn, Kenny, and Jessilina compete in the Sandalstraw Town Pokémon Contest. Kenny is revealed to have obtained a Machoke. Dawn battles Kenny in the finals and loses, resulting in her first loss to Kenny. Kenny wins the Sandalstraw Contest and earns his fourth Ribbon, the Sandalstraw Ribbon. Kenny leaves the group. Ambipom discovers her talent for ping pong. Dawn decides to enter the Pokémon Ping Pong Tournament along with Ash and Barry.
To Thine Own Pokémon Be True!	Ash, Dawn, Barry, and Jessie all enter the Pokémon Ping Pong Tournament, but they end up being defeated. Barry leaves the group. Dawn's Ambipom leaves with O for training to become a Ping Pong champion.
Battling a Cute Drama!	Dawn, Ash, and Brock all receive winter clothing from Johanna and change into it.
Classroom Training!	Ash and his friends arrive in Snowpoint City and meet up with Zoey again. Ash and his friends meet Candice, the Snowpoint City Gym Leader. Zoey is revealed to have earned her fourth Contest Ribbon.
Sliding Into Seventh!	Ash has a Gym battle against Candice and wins, earning the Icicle Badge. Ash and his friends encounter Paul again. Zoey meets Paul for the first time.
A Pyramiding Rage!	Ash and Brock encounter Brandon again. Dawn meets Brandon for the first time. The group meets up once again with Reggie, who suggests that Paul and Ash should have a battle in 10 days. Brandon arrives at Snowpoint City in order to investigate the Snowpoint Temple. Paul learns that Ash has completed the Kanto Battle Frontier before. Paul challenges Brandon to a battle, but loses. Paul is revealed to have obtained a Hariyama, a Nidoking, and a Lairon.
Pillars of Friendship!	J returns and awakens Regigigas forcefully at the Snowpoint Temple, resulting in it going on a rampage. Brandon battles Regigigas and attempts to capture it in order to stop it, but is stopped by J before he can do so. Regigigas is calmed down and returned to the Snowpoint Temple. Brandon decides to stay at the Snowpoint Temple in order to rebuild it.
Frozen on Their Tracks!	Ash, Dawn, and Brock are revealed to have gone back to wearing their regular outfits. Ash and his friends meet Looker. Brock's Sudowoodo learns Hammer Arm. Looker is revealed to be investigating Team Galactic.
Pedal to the Mettle!	Ash and his friends reach Lake Acuity. Ash and Paul begin their Full Battle. Paul's Magmar is revealed to have evolved into a Magmortar.
Evolving Strategies!	Ash's Chimchar evolves into Monferno and learns Mach Punch. Paul wins the Full Battle.
Uncrushing Defeat!	Brock sees the spirit of Uxie at Lake Acuity. Dawn learns that a Pokémon Contest will be held in Lilypad Town.
Promoting Healthy Tangrowth!	Dawn's Mamoswine learns Hidden Power.
Gateway to Ruin!	Ash and his friends meet Looker again, and they, along with Team Rocket, discover that he is a member of the International Police. Ash and his friends encounter Team Galactic again and meet Charon for the first time.
Three Sides to Every Story!	Ash and his friends learn that Johanna is going to be the chairperson of the Twinleaf Festival.
Strategy Begins at Home!	Ash and his friends arrive in Twinleaf Town. Ash and Brock meet Johanna for the first time in person. Johanna is revealed to own an Umbreon. Ash and his friends learn that Professor Oak will be attending the Twinleaf Festival. Dawn has a two-on-two Contest Battle against Johanna and loses.
A Faux Oak Finish!	Dawn meets Professor Oak in person for the first time.
Historical Mystery Tour!	The gang meet up again with Barry, who has returned for the Twinleaf Festival. Ash and Dawn meet Palmer, head of Sinnoh's Battle Tower and Barry's father.
Challenging a Towering Figure!	Ash learns of the Battle Frontier in Sinnoh and also learns of Palmer's Tower Tycoon status. Ash, Dawn, Brock, and Barry all enter the Festival Battle Challenge to battle Palmer. Ash wins the tournament but loses to Palmer. Ash discovers that his Grotle can receive a temporary power-up if it swallows an Energy Ball. Ash learns of a Gym in Sunyshore City and decides to head there after the Lilypad Town Pokémon Contest. Team Rocket receives a rocket from Sayer. The Twinleaf Festival ends, and the group leaves Twinleaf Town.
Where No Togepi Has Gone Before!	Team Rocket accidentally destroys the rocket that they bought with the money they received from Sayer in the previous episode.
An Egg Scramble!	Ash and his friends meet Lyra and Khoury, two Pokémon Trainers from Johto. Dawn has a battle with Lyra during the Johto Festival and wins. As a prize for winning the battling exhibit, Dawn receives an Egg, which later hatches into a Cyndaquil. Lyra and Khoury join the group.
Gone With the Windworks!	Dawn's Cyndaquil has its first Pokémon battle with Ash's Grotle, but the battle is called off by Brock. Dawn's Cyndaquil is revealed to know Flame Wheel, Smokescreen, and Swift. Lyra is revealed to own a Girafarig.
A Rivalry to Gible On!	Ash and Khoury attempt to catch the same Gible, with the latter succeeding.
Dressed for Jess Success!	James disguises himself as Jessilina and participates in his first Pokémon Contest. Dawn's Mamoswine is entered for the first time in a Pokémon Contest. Dawn competes in the Lilypad Contest, but is knocked out in the semifinals, suffering her first loss to Jessilina. James wins the Lilypad Contest, earning Jessie her third Contest Ribbon.
Bagged Then Tagged!	Ash and Dawn have a Tag Battle against Lyra and Khoury, which Ash and Dawn win. Khoury's Totodile evolves into a Croconaw. Khoury's father gives Brock a Pokégear. Lyra and Khoury leave the group and return to Johto.
Unlocking the Red Chain of Events!	Dawn learns that a Pokémon Contest will be held in Daybreak Town and will follow the Double Performance format. Ash and his friends encounter Jupiter for the first time. Jupiter reveals that Team Galactic knows that Brock saw Uxie at Lake Acuity. Ash and his friends encounter Looker again and rescue him from the Fuego Ironworks. Team Galactic discovers the gateway to the Spear Pillar. Cyrus hires Pokémon Hunter J to capture Mesprit, Azelf, and Uxie.
The Needs of the Three!	Ash and his friends meet up with Cynthia again. Pokémon Hunter J succeeds in capturing the lake guardians and hands them over to Team Galactic. J's ship is destroyed by Mesprit and Uxie's Future Sight and crashes into Lake Valor, leaving J's fate unknown. The lake guardians are placed under Cyrus's control, but they manage to teleport Ash, Brock, and Dawn to the Team Galactic HQ before being completely subdued. Ash and his friends learn that Cyrus is the boss of Team Galactic. Cyrus prepares to summon Dialga and Palkia.
The Battle Finale of Legend!	Cyrus succeeds in briefly summoning Dialga and Palkia. Brock's Croagunk manages to defeat Saturn's Toxicroak, ending their rivalry. Ash, Dawn, and Brock set Azelf, Mesprit, and Uxie free from Team Galactic's control. The group join forces with the lake guardians to stop Cyrus and becalm Dialga and Palkia. Cyrus disappears through a portal created by Dialga and Palkia; his ultimate fate is unknown. The previously stolen Adamant Orb and Lustrous Orb are recovered. Saturn, Mars, and Jupiter are arrested, thereby bringing down Team Galactic.
The Treasure Is All Mine!	Dawn learns that James comes from a rich family. James is reunited with his childhood companion Growlie at one of his old mansions. Growlie is revealed to know Dig. Jessebelle returns once again to try and marry James, but to no avail.
Mastering Current Events!	Ash's Gliscor learns Giga Impact. Ash leaves his Gliscor with McCann for training.
Double-Time Battle Training!	Zoey wins the Brussel Contest and earns her fifth Ribbon, thereby completing her requirement for the Sinnoh Grand Festival. Paul is revealed to have earned the Mine Badge and collected the eight Gym Badges required for the Sinnoh League. Zoey is revealed to have obtained a Kirlia and a Leafeon. Dawn attempts the Flame Ice combination for the first time and fails. Dawn has a Double Battle against Zoey and loses.
A Meteoric Rise to Excellence!	Ash tries to help a Gible learn Draco Meteor. Gible starts to follow Ash and his friends.
Gotta Get a Gible!	Ash and his friends meet up with Barry, who is revealed to have won three more Badges, bringing his total count up to six. Ash catches the Gible that he previously befriended. Ash uses Gible in a battle against Empoleon and suffers his first loss to Barry. Ash's Gible is revealed to know Rock Smash.
Short and To the Punch!	Ash's Buizel learns Ice Punch.
A Marathon Rivalry!	Ash encounters and competes at the Pokéathlon for the first time.
Yes in Dee Dee, It's Dawn!	Ash and his friends arrive in Daybreak Town and meet up with Ursula again. Ursula is revealed to have obtained a Plusle, a Minun, and a Jigglypuff. Ash and Brock learn that Dawn has a fear of Plusle and Minun. Ash and Brock learn why Dawn's friends Kenny and Leona call her Dee Dee (Japanese: ピカリ Pikari). Dawn, Ursula, and Jessilina all enter the Daybreak Contest and advance to the Battle Stage.
Playing the Performance Encore!	Jessilina is knocked out of the Daybreak Town Pokémon Contest by Ursula. Dawn's Cyndaquil is entered for the first time in a Pokémon Contest. Dawn's Cyndaquil and Mamoswine perfect the Flame Ice combo. Dawn defeats Ursula in the final round and wins the Daybreak Contest. Dawn earns her fifth Ribbon, the Daybreak Ribbon, completing her requirement for entry into the Sinnoh Grand Festival. Dawn overcomes her fear of Plusle and Minun, and is no longer annoyed with being called Dee Dee (Japanese: ピカリ Pikari).
Fighting Ire with Fire!	Ash and his friends meet up with Barry again. Barry is revealed to have earned two more Badges, thus bringing his total to eight and qualifying him for the Sinnoh League. Barry meets Paul for the first time and challenges him to a battle, which Paul refuses. Dawn learns that there are seven Pokémon Contests remaining before the Sinnoh Grand Festival, and that the event itself will be held at Lake Valor. Ash's Monferno activates Blaze and goes on a rampage again. Ash's Monferno evolves into an Infernape.
Piplup, Up and Away!	Dawn's Piplup learns Hydro Pump.
Flint Sparks the Fire!	Ash and his friends reach Sunyshore City and meet Volkner, the Sunyshore Gym Leader, and Flint of the Sinnoh Elite Four. Ash and Flint have a battle, and Ash loses. Volkner agrees to battle Ash.
Pokémon Ranger: Guardian Signs (Part One)	Ben receives a mission to stop the Pokémon Pinchers' misdeeds. Ben meets Ukulele Pichu and attempts to capture it.
The Fleeing Tower of Sunyshore!	Ash begins his Gym battle against Volkner, but it is interrupted when Team Rocket steals the Sunyshore Tower. Ash's Grotle evolves into Torterra and learns Leaf Storm. Sunyshore Gym is damaged due to Team Rocket's scheme, causing Ash's Gym battle to be postponed until it is repaired.
Pokémon Ranger: Guardian Signs (Part Two)	Ben succeeds in capturing Ukulele Pichu. Ben confronts the Pinchers at Rasp Cavern.
Teaching the Student Teacher	Ash and his friends meet up with Johanna. Jessilina enters the Neighborly Town Pokémon Contest and wins, earning her fourth Ribbon. Dawn perfects a new combination move, which she calls Ice Chandelier. Dawn receives a new outfit for the Grand Festival from her mother.
Keeping in Top Forme!	Ash and his friends meet Marley.
Pokémon Ranger: Heatran Rescue!	Ash and his friends meet Ben, a Pokémon Ranger.
An Elite Coverup!	Ash and his friends meet Sinnoh Elite Four member Bertha. Ash has a battle against Bertha, but loses.
Dawn of a Royal Day!	Ash and his friends arrive in Arrowroot Town and meet Princess Salvia, a doppelgänger of Dawn. Dawn and Salvia decide to switch places for a day, with Salvia entering into the Arrowroot Contest. Jessilina enters the Arrowroot Contest as well, but loses to Salvia in the finals. Jessilina receives the Arrowroot Ribbon from Salvia, thus becoming eligible to enter the Sinnoh Grand Festival. Dawn receives a Togekiss as a gift from Salvia.
Dealing with a Fierce Double Ditto Drama!	Ash and his friends arrive at Valor Lakefront for the Sinnoh Grand Festival.
Last Call, First Round!	Dawn enters the Sinnoh Grand Festival alongside Zoey and Jessilina. Nando, Kenny, and Ursula are revealed to have earned their fifth Contest Ribbons and enter the Grand Festival as well. Nando is revealed to have earned six more Gym Badges and to have obtained a Kricketot and an Altaria. Zoey's Shellos is revealed to have evolved into a Gastrodon while her Finneon is revealed to have evolved into a Lumineon. Kenny is revealed to have obtained a Floatzel and his Prinplup is revealed to have evolved into an Empoleon. Ursula is revealed to have obtained two Eevee, which she evolves into a Vaporeon and a Flareon during her appeal. Dawn, Nando, Ursula, Zoey, and Jessilina successfully clear the Performance Stage. Kenny fails to make it through to the Battle Stage and is eliminated from the Grand Festival.
Opposites Interact!	Dawn defeats Ursula and advances to the eighth-finals of the Sinnoh Grand Festival. Zoey, Nando, and Jessilina also advance to the eighth-finals of the Sinnoh Grand Festival.
Coming Full Festival Circle!	Dawn, Zoey, Nando, and Jessilina advance to the semifinals of the Sinnoh Grand Festival. Zoey's Misdreavus is revealed to have evolved into a Mismagius. Nando is revealed to have obtained a Lopunny and his Roselia is revealed to have evolved into a Roserade. Zoey and Dawn defeat Nando and Jessilina, respectively, and advance to the finals of the Sinnoh Grand Festival.
A Grand Fight for Winning!	Zoey's Kirlia is revealed to have evolved into a Gallade. Zoey defeats Dawn in the final round of the Sinnoh Grand Festival. Zoey receives the Ribbon Cup and the title of Top Coordinator. Ash learns that the Sunyshore Gym is fully repaired and Volkner is ready for their Gym battle.
The Eighth Wonder of the Sinnoh World!	Ash arrives back at Sunyshore Gym for his Gym battle against Volkner. Ash's Infernape's Blaze is activated again, and it gains control of the Ability for the first time. Ash defeats Volkner and earns the Beacon Badge, allowing him to participate in the Sinnoh League. Ash learns that the Sinnoh League will take place on Lily of the Valley Island in one month.
Four Roads Diverged in a Pokémon Port!	Ash and his friends meet up with Kenny and encounter Jasmine. Dawn meets Jasmine for the first time. Ash battles Kenny and loses. Flint reveals that he will battle Cynthia for the title of Sinnoh League Champion.
Bucking the Treasure Trend!	Ash and his friends meet Buck. Buck catches a Claydol.
An Old Family Blend!	Ash and his friends arrive at Lily of the Valley Island for the Lily of the Valley Conference. Paul, Barry, Nando, and Conway also enter the Lily of the Valley Conference, having earned the eight Gym Badges required. Ash decides to use the Pokémon he has stored at Professor Oak's Laboratory, alongside the Pokémon he has acquired in Sinnoh, during the tournament, and subsequently spends time with several of them. Ash's Cyndaquil is revealed to have learned Flame Wheel. Ash's Cyndaquil evolves into Quilava and learns Eruption. The Lily of the Valley Conference begins. Ash learns he will be battling Nando in the first round of the tournament.
League Unleashed!	The Lily of the Valley Conference begins. Nando is revealed to have obtained an Armaldo. Ash's Quilava is revealed to have learned Aerial Ace. Ash's Heracross is revealed to have learned Sleep Talk and Focus Punch. Ash wins his first battle against Nando, knocking him out of the Lily of the Valley Conference. Barry, Conway, Tobias, and Paul also make it through the first round. Ash learns that a mysterious Trainer has entered the tournament with a Darkrai.
Casting a Paul on Barry!	Ash, Paul, Barry, Conway, and Tobias make it through the second round of the Lily of the Valley Conference. Ash and Paul are selected to battle Conway and Barry, respectively, in the third round of the tournament. Paul's Electabuzz is revealed to have evolved into an Electivire. Barry is revealed to own a Skarmory and a Hitmonlee. Paul defeats Barry and advances to the quarterfinals of the tournament.
Working on a Right Move!	Ash's Infernape learns Flare Blitz. Conway is revealed to have obtained a Shuckle, a Lickilicky, and a Dusknoir. Ash's Noctowl is revealed to have learned Sky Attack, Air Slash, and Extrasensory. Ash's Gible masters Draco Meteor. Ash defeats Conway and advances to the quarterfinals of the tournament. Tobias advances to the quarterfinals as well. Ash learns that he will face Paul in the first quarterfinal match of the Lily of the Valley Conference. Ash's Gliscor returns to Ash for the battle against Paul.
Familiarity Breeds Strategy!	Ash and Paul begin their Full Battle in the quarterfinals of the Lily of the Valley Conference. Paul is revealed to have obtained a Drapion and a Gastrodon, while his Lairon is revealed to have evolved into an Aggron.
A Real Rival Rouser!	Ash and Paul continue their Full Battle. Paul is revealed to still own the Ninjask he had caught shortly before catching Chimchar. Ash's Gliscor is revealed to have learned Stone Edge. Paul is revealed to have obtained a Froslass.
Battling a Thaw in Relations!	The Full Battle between Ash and Paul ends, with Ash as the victor, resulting in Ash's first victory over Paul in a traditional Pokémon battle. Ash and Paul settle their differences and end their rivalry. Ash learns he will be battling Tobias in the semifinals of the Lily of the Valley Conference. Paul announces his intention to head to Snowpoint City and re-challenge Brandon.
The Semi-Final Frontier!	Ash battles Tobias in the semifinals of the Lily of the Valley Conference and loses, placing Top 4. Ash's Heracross is revealed to have learned Hyper Beam. Ash's Sceptile is revealed to have learned Leaf Storm. Tobias is revealed to own a Latios. Tobias defeats his opponent in the finals, thus winning the Lily of the Valley Conference. The Lily of the Valley Conference ends.
The Brockster Is In!	Brock's Happiny evolves into Chansey and learns Soft-Boiled. Nurse Joy suggests to Brock that he train to become a Pokémon Doctor. Ash and his friends reach Twinleaf Town.
Memories are Made of Bliss!	Dawn decides to remain in the Sinnoh region. Ash and Dawn reaffirm their desires to become Pokémon Master and Top Coordinator, respectively. Brock decides to study to become a Pokémon Doctor. Jessie, James, and Meowth are promoted. Flint battles Cynthia for the title of Pokémon Champion and loses. Ash and Brock return to Kanto and go their separate ways. Ash and Pikachu reach Pallet Town.
SS024	Dawn's Cyndaquil evolves into Quilava and learns Eruption. Dawn decides to leave Sinnoh with all of her Pokémon and compete in Pokémon Contests in Hoenn.
SS025	Forrest is revealed to own a Rhyperior. Forrest is officially made the Pewter City Gym Leader.

Best Wishes series

Unova

Episode	Details
In The Shadow of Zekrom!	Ash and Pikachu travel with Delia and Professor Oak to the Unova region, where Professor Oak is attending a conference. Ash learns that all of the Pokémon that live in the Unova region cannot be found in Kanto, Johto, Hoenn, or Sinnoh. Team Rocket also arrive in the Unova region, having being assigned there by Giovanni. Iris is introduced. Ash meets Professor Juniper. Pikachu becomes temporarily unable to use Electric-type attacks after being hit by lightning caused by Zekrom. Ash meets a photographer and beginning Trainer by the name of Trip. Trip obtains a Snivy from Professor Juniper, then battles Ash's Pikachu and wins. The Oshawott from Professor Juniper's lab starts to follow Ash.
Enter Iris and Axew!	Zekrom appears again, and Pikachu recovers his Electric powers. Ash decides to remain in Unova and challenge its Pokémon League. Ash receives a new Pokédex and five Poké Balls from Professor Juniper. Ash learns the first Unova League Gym is in Striaton City. Ash meets a mysterious girl named Iris and her Axew. Iris decides to follow Ash on his journey. Jessie and James are revealed to have left all their Pokémon at Team Rocket's Headquarters. Ash tries and fails to catch a Deerling. Ash catches a Pidove. Jessie catches a Woobat. Iris meets Team Rocket for the first time. Professor Juniper's Oshawott is revealed to know Water Gun.
A Sandile Gusher of Change!	The Oshawott from Professor Juniper's laboratory that has been following Ash joins his team. A wild Sandile begins following Ash.
The Battle Club and Tepig's Choice!	Ash and Iris arrive in Accumula Town. Ash finds a Tepig that had been abandoned by its Trainer and catches it. The Team Rocket trio receives a mission by Giovanni to head to Striaton City.
Triple Leaders, Team Threats!	Ash and Iris arrive in Striaton City and meet Cilan, a Pokémon Connoisseur and one of the local Gym Leaders, as well as his brothers and fellow Striaton Gym Leaders, Chili and Cress. Rather than challenging just one of the Striaton Gym Leaders, Ash chooses to challenge all three Leaders to a Gym battle, with best two out of three counting as a victory. The Team Rocket trio receives a mission from Giovanni to capture the "Future Energy" in the Dreamyard. Ash defeats Chili, loses to Cress, and starts his battle with Cilan. Ash's Tepig and Oshawott are both revealed to know Tackle.
Dreams by the Yard Full!	Ash's Oshawott is revealed to know Razor Shell. Ash defeats Cilan, ending his Striaton Gym challenge with two victories out of three and thus earning him his first Unova League Badge, the Trio Badge. The Team Rocket trio successfully completes their mission of obtaining and transmitting data from the Dreamyard. Cilan meets Team Rocket for the first time. Ash, Iris, and Cilan agree to travel together through Unova. Ash learns that the next Unova Gym is in Nacrene City, and decides to head there.
Snivy Plays Hard to Catch!	Ash catches a Snivy. Giovanni informs Team Rocket of the presence of another villainous team.
Saving Darmanitan From the Bell!	The Team Rocket trio receives a mysterious item, and are instructed to head to Nacrene City.
The Bloom Is on Axew!	Ash and Cilan learn from Iris how she got her Axew. Iris's Axew is revealed to know Scratch and Dragon Rage. The Team Rocket trio is told to head to the Desert Resort. Iris is revealed to own an Excadrill.
A Rival Battle for Club Champ!	Ash re-encounters Trip, whom Iris meets for the first time, while Cilan reveals that he has met him before. It is revealed that, like Nurse Joy and Officer Jenny, there is a Don George that runs a Battle Club in multiple cities in the Unova region. The Team Rocket trio meets Pierce, another member of Team Rocket, for the first time. Trip is revealed to have obtained the Trio Badge from Chili, as well as another Badge. Ash battles Trip for the second time and loses once again. Trip's Snivy is revealed to have evolved into a Servine Trip is revealed to have obtained a Tranquill and a Frillish. Ash's Snivy is revealed to know Leaf Blade.
A Home for Dwebble!	Cilan's Pansage is revealed to know Dig. The Team Rocket trio receives and complete a mission to steal data concerning the Meteonite from the Antimony Research Lab. Cilan catches a Dwebble.
Here Comes the Trubbish Squad!	The Sunglasses Sandile is revealed to know Stone Edge. The Team Rocket trio receives a dummy Meteonite from a Team Rocket agent. Ash receives a Pokémon Egg from Karena.
Minccino-Neat and Tidy!	Ash and his friends meet Bianca, a beginning Trainer. Ash receives a new Badge case from Bianca, given to her by Professor Juniper. The Team Rocket trio arrives in Nacrene City. Bianca captures a Minccino. Ash battles Bianca and wins.
A Night in the Nacrene City Museum!	Ash and his friends arrive in Nacrene City and meet Lenora, the local Gym Leader. The Team Rocket trio meets Pierce again, and are instructed to break into the Nacrene Museum to steal a meteorite and replace it with the fake that was previously given to them.
The Battle According to Lenora!	Ash battles Lenora in his second Unova Gym match and loses. The Team Rocket trio steals the Meteonite from Nacrene Museum.
Rematch at the Nacrene Gym!	Ash's Oshawott learns Aqua Jet, while his Tepig learns Flame Charge. Ash has a rematch with Lenora and manages to defeat her, earning the Basic Badge. Ash learns that the next Unova Gym is located in Castelia City, and decides to head there.
Scraggy-Hatched to be Wild!	Ash's Egg hatches into a Scraggy. The Team Rocket trio delivers the Meteonite they stole from Nacrene Museum to Dr. Zager for analysis. Ash and Iris battle each other for the first time using Scraggy and Axew, respectively; the battle ends in a draw.
Sewaddle and Burgh in Pinwheel Forest!	Ash and his friends reach Pinwheel Forest and meet Burgh, the Castelia City Gym Leader. Ash catches a Sewaddle. Ash sends an unknown Pokémon in his party to Professor Juniper and adds Sewaddle to his team.
A Connoisseur's Revenge!	Cilan is revealed to be an A-class Pokémon Connoisseur. The gang meets a C-class Connaisseuse named Burgundy, an old challenger of Cilan's. Ash's Sewaddle is revealed to have Swarm as his Ability. Cilan's Dwebble is revealed to have Sturdy as its Ability. Cilan has a rematch against his new rival Burgundy and wins.
Dancing With the Ducklett Trio!	Ash's Pikachu learns Electro Ball. The Sunglasses Sandile evolves into a Krokorok.
The Lost World of Gothitelle!	Ash returns Pidove to his team and sends Sewaddle to Professor Juniper. Ash and his friends cross the Skyarrow Bridge on route to Castelia City.
A Venipede Stampede!	Ash and his friends arrive in Castelia City and meet up with Burgh again. Ash encounters Trip again. Trip is revealed to have obtained a Lampent. Ash's Pidove evolves into a Tranquill. Giovanni heads to Unova as Team Rocket's plan for the Meteonite enters its final stages. Ash, Iris and Cilan meet up with Professor Juniper and leave to investigate the unusual activity caused by Team Rocket*.
Battling For The Love of Bug-Types!	Ash's Sewaddle evolves into Swadloon and learns Energy Ball. Ash battles Burgh in his third Unova Gym match and wins, earning him the Insect Badge. Team Rocket changes back to their white uniforms. James catches a Yamask.
Emolga the Irresistible!	It is revealed that Bianca has started traveling with Ash and his friends. Iris catches an Emolga.
Emolga and the New Volt Switch!	Bianca battles both Iris and Ash with no official winner. Iris's Emolga begins to disobey her. Iris's Emolga develops a rivalry with Ash's Snivy. Bianca leaves the group.
Scare at the Litwick Mansion!	James's Yamask is revealed to know Shadow Ball.
The Dragon Master's Path!	Iris reveals that her goal is to become a Dragon Master. James's Yamask is revealed to know Night Shade. Iris's Axew masters Dragon Rage.
Oshawott's Lost Scalchop!	Ash and his friends meet a Trainer named Stephan.
Ash and Trip's Third Battle!	Ash and his friends meet up with Trip again. Ash challenges Trip to a three-on-three battle, which ends in a tie. Ash learns about Alder, the Unova League Champion. Ash learns that Oshawott cannot aim on target when using Aqua Jet due to a fear of opening his eyes underwater. Trip is revealed to have obtained a Vanillite and a Timburr.
Facing Fear with Eyes Wide Open!	Ash's Oshawott overcomes his fear of opening his eyes underwater and perfects Aqua Jet as a result. Ash catches a Palpitoad. Cilan catches a Stunfisk.
Iris and Excadrill Against the Dragon Buster!	The gang meets a Trainer named Georgia, who begins a rivalry with Iris. Iris is revealed to have captured her Excadrill as a Drilbur. Iris's Excadrill is revealed to know Metal Claw and Mud-Slap as a Drilbur, and Fury Swipes as an Excadrill. Excadrill regains his trust in Iris, and he also learns Focus Blast.
Gotta Catch A Roggenrola!	Ash catches a Roggenrola.
A Fishing Connoisseur in a Fishy Competition!	Ash and his friends encounter Bianca again. Cilan catches a Blue-Striped Basculin. However, it is later released. James's Yamask is revealed to know Haze.
Movie Time! Zorua in "The Legend of the Pokémon Knight"!	Ash and his friends meet Luke. The group learns about an upcoming battle tournament that is being held at the local Battle Club.
Reunion Battles In Nimbasa!	The Team Rocket trio arrives in Nimbasa City. Ash and his friends enter the Club Battle, along with Luke, Bianca, Burgundy, Georgia, Stephan, and Trip. Stephan's Blitzle is revealed to have evolved into a Zebstrika. Georgia defeats Sylvester and advances to the second round. Burgundy is revealed to have obtained a Stoutland. Ash defeats Burgundy and advances to the second round. Trip starts his battle with Cilan.
Cilan Versus Trip, Ash Versus Georgia!	Trip's Timburr is revealed to have evolved into a Gurdurr. Cilan's Dwebble is revealed to have learned Rock Slide. Cilan defeats Trip and advances to the second round. Stephan defeats Bianca and advances to the second round. Luke defeats Scooter and advances to the second round. Iris defeats Jimmy Ray and advances to the second round. Georgia is revealed to have obtained a Pawniard. Ash begins his battle with Georgia.
The Club Battle Hearts of Fury: Emolga Versus Sawk!	Ash defeats Georgia and advances to the semifinals of the Club Battle. Cilan's Stunfisk is revealed to know Scald. Luke defeats Cilan and advances to the semifinals. Stephan is revealed to own a Sawk, while Luke is revealed to own a Larvesta. Iris's Emolga's Ability is revealed to be Static. Emolga begins to obey Iris. Iris defeats Stephan and advances to the semifinals. Iris learns she will battle Luke in the semifinals. Ash begins his battle with Dino.
The Club Battle Finale: A Heroes Outcome!	Ash defeats Dino and advances to the final round. Iris's Axew learns Outrage. Iris defeats Luke and advances to the final round. The Team Rocket trio prepares to begin their latest plan. Iris defeats Ash and wins the Club Battle, earning a set of wings. Luke leaves the group.
Meowth's Scrafty Tactics!	Ash's Scraggy learns High Jump Kick. Meowth begins to travel with Ash and his friends, claiming to have been fired from Team Rocket. Iris attempts to capture Meowth, but is unsuccessful. Jessie and James arrive in Anville Town and begin their plans to sabotage the Nimbasa Subway system.
Purrloin: Sweet or Sneaky?	Iris tries to catch a Purrloin (not knowing it was already owned), but Meowth blocks the Poké Ball, almost resulting in him getting caught by her again. Dr. Zager arrives in Anville Town.
Beheeyem, Duosion, and the Dream Thief!	The heads of the Nimbasa Subway system, Ingo and Emmet, notice Jessie and James's sabotage of the system and begin investigating.
Crisis from the Underground Up!	Ash and his friends arrive in Nimbasa City. Ash and Iris meet Ingo and Emmet for the first time, while it is revealed that Cilan had met them previously. It is revealed that Meowth had been lying about being fired from Team Rocket and that his joining the group was part of a plan to steal the gang's Pokémon. Meowth rejoins Jessie and James. Team Rocket successfully steal all the Pokémon from the Nimbasa City Pokémon Center (including those belonging to Ash, Iris, and Cilan) and make a getaway using the Nimbasa Subway Network.
Battle for the Underground!	Ash's Tepig learns Flamethrower. Ash and his friends, with the help of Ingo and Emmet, retrieve all of the Pokémon stolen by Team Rocket, including their own, and force them to withdraw from Nimbasa City.
Enter Elesa, Electrifying Gym Leader!	Ash and his friends meet Bianca again and also meet Elesa, Nimbasa Gym's Gym Leader. Bianca's father appears to take his daughter home with him, not wanting her to continue her Pokémon journey. Bianca is revealed to have obtained a Shelmet. Bianca has a Gym battle with Elesa but loses. Ash has a battle with Bianca's father and loses. Bianca's father decides to allow her to keep traveling.
Dazzling the Nimbasa Gym!	Ash has a Gym battle with Elesa and wins, earning himself the Bolt Badge. Ash learns from Elesa that the next Gym is in Driftveil City, but has to wait to travel there because the Driftveil Drawbridge is closed for repairs.
Lost at the Stamp Rally!	Ash and Cilan challenge the Subway Bosses Ingo and Emmet to a Tag Battle, but they lose. The Driftveil Drawbridge is repaired, allowing the group to leave Nimbasa City and head toward Driftveil City.
Ash Versus the Champion!	Ash and his friends meet up with Trip again. Trip is revealed to have obtained his fifth Gym Badge. Ash and his friends meet the Unova League Champion, Alder. Alder challenges Ash to a battle, but then falls asleep during said battle, thus resulting in no official winner.
The Lonely Deino!	Ash and Iris both attempt to catch a Deino, but they fail since they already have Trainers. The Team Rocket trio prepares to begin their plan to capture the Forces of Nature.
The Mighty Accelguard to the Rescue!	Ash and his friends arrive in Driftveil City and meet Clay. Ash tries to challenge Clay to a Gym battle, but Clay refuses. Team Rocket destroys the shrine of Tornadus.
A Call for Brotherly Love!	Chili meets up with Cilan in Driftveil City. Cilan's Pansage is revealed to know Rock Tomb. Cilan and Pansage battle Chili and Pansear and win. Team Rocket prepares for the final stage of their plan to capture the Forces of Nature by destroying the shrine of Thundurus. Chili and Pansear battle Ash and Oshawott and win.
Stopping the Rage of Legends! Part 1	Ash challenges Clay to a Gym battle for a second time, but Clay refuses again. Tornadus and Thundurus go on a rampage while the gang summons Landorus to stop the destruction.
Stopping the Rage of Legends! Part 2	The Team Rocket trio captures the Forces of Nature, but their plans are foiled and they are forced to release them thanks to Ash and his friends. Landorus stops the rampage of Thundurus and Tornadus, and all three Pokémon return to rest.
Battling the King of Mines!	Ash's Roggenrola evolves into Boldore and learns Rock Blast and Rock Smash. Ash battles Clay in his fifth Unova Gym match and wins, earning himself the Quake Badge. Ash learns that the next Gym is located in Mistralton City and decides to head there.
Crisis at Chargestone Cave!	Ash and his friends meet up with Bianca and Professor Juniper again. Bianca reveals her intention to trade her Shelmet with Professor Juniper's Karrablast in order to evolve both of them. Cilan's Dwebble evolves into Crustle and learns Rock Wrecker.
Evolution Exchange Excitement!	Bianca trades her Shelmet for Professor Juniper's Karrablast. Bianca's new Karrablast evolves into Escavalier, while Juniper's new Shelmet evolves into Accelgor. Cilan and Ash battle against Professor Juniper and Bianca and win. Bianca leaves the group. Cedric Juniper is introduced.
Explorers of the Hero's Ruins	Ash and his friends are officially introduced to Cedric Juniper, the father of Professor Juniper. The sunglasses Krokorok returns to confront Pikachu.
Battling the Bully!	The sunglasses Krokorok is revealed to know Crunch. Ash catches the Sunglasses Krokorok.
Cilan Takes Flight!	Ash and his friends arrive in Mistralton City and meet Skyla, the local Gym Leader. Outraged by Skyla's unconventional battling method, Cilan battles Skyla but loses.
An Amazing Aerial Battle!	Ash's Tranquill is revealed to know Wing Attack. Ash's Tranquill evolves into Unfezant and learns Aerial Ace. Ash battles Skyla in his sixth Unova Gym match and wins, earning himself the Jet Badge. Ash learns that the next Unova Gym is in Icirrus City and decides to head there.
Climbing the Tower of Success!	Ash and his friends meet up with Stephan again, and they all enter the Wishing Bell Festival contest. Stephan wins the contest and then accompanies the group to Ambiga Town where the Clubsplosion tournament will be held.
The Clubsplosion Begins!	Ash, his friends, and Stephan arrive in Ambiga Town and reunite with Bianca, Burgundy, Georgia, and Trip, all entering the Clubsplosion. Trip's Gurdurr is revealed to have evolved into Conkeldurr. Stephan and Cilan defeat Edmund and Flora, respectively, advancing to the second round. Ash's Scraggy learns Focus Blast. Ash defeats Angus and advances to the second round. Iris and Burgundy begin their battle.
Search for the Clubultimate!	Iris defeats Burgundy and advances to the second round. Georgia's Pawniard is revealed to have evolved into Bisharp. Georgia defeats Gail and advances to the second round. Montgomery defeats Delbert and advances to the second round. Bianca's Pignite is revealed to have evolved into Emboar. Bianca and Trip begin their battle.
A Clubsplosion of Excitement!	Bianca defeats Trip and advances to the second round. Ash defeats Betty and advances to the semifinals. Montgomery defeats Iris and advances to the semifinals. Stephan defeats Cilan and advances to the semifinals. Bianca defeats Georgia and advances to the semifinals. Ash learns that he will face off against Montgomery in the semifinals, while Bianca will face Stephan.
Commanding the Clubsplosion Crown!	Stephan defeats Bianca and advances to the final round. Montgomery defeats Ash and advances to the final round. Stephan defeats Montgomery in the final round, winning the Clubsplosion tournament and a year's supply of Vitamins. Stephan leaves the group.
Battling the Leaf Thieves!	Ash's Swadloon evolves into Leavanny.
A Restoration Confrontation! Part 1	The Team Rocket trio returns to try to open a time gate in Twist Mountain. Ash meets Dr. Zager for the first time.
A Restoration Confrontation! Part 2	James's Yamask is revealed to know Will-O-Wisp. Ash and his friends stop Team Rocket's attempts to travel through the time gate, forcing them to retreat.
Evolution by Fire!	Ash and his friends meet Tepig's former Trainer, Shamus. Ash's Tepig evolves into Pignite and learns Fire Pledge. Shamus offers Pignite a spot on his team, but Pignite rejects him.
Guarding the Guardian of the Mountain!	Ash and his friends meet Brycen, the Gym Leader of Icirrus City.
Caution: Icy Battle Conditions!	Ash and his friends arrive in Icirrus City. Ash battles Brycen and wins, earning the Freeze Badge. Ash learns that the next Gym is located in Opelucid City and decides to head there.
Clash of the Connoisseurs!	Ash learns that the Gym in Opelucid City is closed. The group meets with Burgundy again. Ash learns that there is a Gym located in Virbank City and decides to go there.
Crisis at Ferroseed Research!	Ash and his friends meet up with Georgia again. Georgia is revealed to own a Vanilluxe.
An Epic Defense Force!	Ash and his friends arrive in Virbank City and meet up with Luke again. The Team Rocket trio prepares to begin their latest operation. A wild Meloetta starts to follow Ash. Ash meets Meloetta for the first time.
Rocking the Virbank Gym! Part 1	Ash and his friends meet Roxie, the Virbank Gym Leader. Ash begins his battle with Roxie.
Rocking the Virbank Gym! Part 2	Ash continues his Gym battle with Roxie and wins, earning himself the Toxic Badge and thus completing his requirement for the Unova League.
All for the Love of Meloetta!	Ash learns that Unova's League Conference will be held in three months. Ash meets up with Cynthia again, while Iris and Cilan meet her for the first time. Cynthia announces the Pokémon World Tournament Junior Cup, and the group decides to participate. The Team Rocket trio attempts to capture Meloetta, but fail. Cynthia is revealed to own a Glaceon. Cynthia agrees to have a battle with Iris, but calls the battle off before a winner is decided. During the battle, Iris's Axew learns Giga Impact. Ash and his friends accompany Cynthia to her villa in Undella Town. Dawn is revealed to be staying at Cynthia's villa.
Piplup, Pansage, and a Meeting of the Times!	Ash and his friends arrive in Undella Town. Dawn returns, with Iris and Cilan meeting her for the first time. Dawn is revealed to have obtained a new Pokédex and a Xtransceiver. Dawn reveals that she will be participating in the Pokémon World Tournament Junior Cup. Ash learns that Dawn's Cyndaquil has evolved into Quilava. Cilan challenges Dawn to a friendly battle, which gets interrupted by Meloetta. Dawn's Piplup is revealed to have learned Drill Peck and Ice Beam.
Expedition to Onix Island!	Meloetta is revealed to know Close Combat. Dawn's Piplup is revealed to have learned Headbutt. Ash's Oshawott learns Hydro Pump.
Iris and the Rogue Dragonite!	Iris catches a Dragonite.
Jostling for the Junior Cup!	Ash and his friends arrive in Lacunosa Town. Dawn meets Trip, Burgundy, Georgia, and Alder for the first time. The Pokémon World Tournament Junior Cup begins. An exhibition match between Cynthia and Caitlin takes place, ending in a draw. Trip's Servine is revealed to have evolved into Serperior. Burgundy is revealed to have obtained a Darmanitan. Trip defeats Burgundy and advances to the second round. Cilan, Ash, and Dawn defeat their first-round opponents and advance to the next round. Iris's Dragonite starts disobeying her. Iris defeats Georgia and advances to the second round.
Battling Authority Once Again!	Trip defeats Manning and advances to the semifinals. Cilan's Stunfisk is revealed to have learned Sludge Bomb. Cilan and Ash defeat Horatio and Geraldo, respectively, advancing to the semifinals. Dawn's Mamoswine is revealed to have learned Ice Fang. Iris's Dragonite is revealed to know Dragon Rush. Iris defeats Dawn and advances to the semifinals. Trip defeats Cilan and advances to the final round. Ash and Iris begin their battle in the semifinals.
Ash, Iris and Trip: Then There Were Three!	Dragonite begins to obey Iris, but soon starts disobeying her again. Ash's Krokorok evolves into Krookodile and learns Dragon Claw. Ash defeats Iris and advances to the final round. Trip defeats Ash in the final round, winning the Pokémon World Tournament Junior Cup. Trip begins his battle with Alder.
Goodbye, Junior Cup - Hello Adventure!	Trip continues his battle with Alder and loses. Ash and his friends meet Cameron, who joins the group. The Team Rocket trio discovers an entrance to the Abyssal Ruins. Dawn's Quilava is revealed to have learned Flamethrower. Dawn leaves the group to head to Johto to compete in the Wallace Cup.
The Road to Humilau!	Ash and his friends meet Marlon, the Gym Leader of the Humilau Gym. Cameron battles Marlon and wins, earning the Wave Badge, thus fulfilling his requirements to compete in the Vertress Conference. Cameron is revealed to own a Ferrothorn and a Samurott. Cameron leaves the group.
Unrest at the Nursery!	Ash's Scraggy is revealed to have mastered Focus Blast. The Team Rocket trio and Dr. Zager collect the last of the data needed on Meloetta's song and prepare for the next phase of their plan.
Meloetta and the Undersea Temple!	Team Rocket's Operation Tempest enters its final stage. Meloetta is revealed to know Hyper Voice. Ash meets Giovanni for the first time since their unofficial encounter at Mount Quena. Giovanni's Persian is seen battling for the first time. Ash battles Giovanni with his Pikachu, but is defeated. Team Rocket successfully captures Meloetta, and takes it, along with the imprisoned Ash and Pikachu, to the Abyssal Ruins. Giovanni uses Meloetta's song to unseal the Reveal Glass.
Unova's Survival Crisis!	Giovanni successfully summons the Forces of Nature and uses the Reveal Glass to turn them into their Therian Formes. Dragonite fully obeys Iris, though his rogue attitude still remains. Meloetta manages to calm down the members of the Forces of Nature. Giovanni withdraws Team Rocket (including Jessie, James, and Meowth) from Unova and returns to Kanto. Meloetta leaves with Ridley.
Beauties Battling for Pride and Prestige!	Ash and his friends learn that the Unova League will be held in Vertress City and decide to visit the Village of Dragons en route. Ash and his friends leave Cynthia's villa.
A Village Homecoming!	Ash and his friends arrive at Iris's hometown, the Village of Dragons. Ash and Cilan meet the elder and the Opelucid Gym Leader Drayden for the first time. Drayden challenges Iris to a battle at his Gym.
Drayden Versus Iris: Past, Present, and Future!	Ash and his friends arrive in Opelucid City. Iris has a rematch with Drayden and loses again. Iris finds out that Drayden is considering her to take over as the Gym Leader of Opelucid Gym someday.
Team Eevee and the Pokémon Rescue Squad!	Ash and his friends meet Virgil.
Curtain Up, Unova League!	Ash and his friends arrive in Vertress City, where the Vertress Conference begins. Ash, Trip, Bianca, Cameron, Stephan, and Virgil enter the Vertress Conference. Ash decides to use only his current party Pokémon in the tournament instead of using any of his Pokémon at Professor Oak's Laboratory. Stephan defeats Radley in his first round battle, qualifying him for the next round. Bianca, Virgil, and Cameron begin their first round battles. Ash begins his battle against Trip.
Mission: Defeat Your Rival!	Ash defeats Trip, eliminating the latter from the tournament. Ash and Trip make peace with each other. Virgil defeats Ultimo, advancing to the next round. Bianca defeats Mikael, advancing to the next round. Cameron defeats Kendrick, advancing to the next round. Cameron defeats Bianca, eliminating the latter from the tournament.
Lost at the League!	Ash, Stephan, and Virgil are revealed to have made it through the second round of the Vertress Conference. Ash, Stephan, Cameron, and Virgil make it through the third round. Ash begins his match against Stephan. Stephan is revealed to own a Liepard.
Strong Strategy Steals the Show!	Ash's Palpitoad is revealed to have learned Sludge Wave. Ash's Leavanny is revealed to have learned X-Scissor and uses his Ability Swarm for the first time. Ash's Krookodile is revealed to have learned Aerial Ace. Ash defeats Stephan, advancing to the next round and eliminating the latter from the tournament. Cameron defeats Kenton, advancing to the next round. Virgil defeats Flora, advancing to the next round. Ash and Cameron begin their battle. Cameron is revealed to own a Hydreigon.
Cameron's Secret Weapon!	Ash and Cameron continue their battle. Ash's Pignite is revealed to have learned Brick Break. Cameron is revealed to own a Swanna. Cameron's Riolu evolves into Lucario.
A Unova League Evolution!	Cameron defeats Ash in the quarterfinals, eliminating the latter from the tournament. Virgil defeats Cameron in the semifinals, advancing to the final round. Cameron is revealed to own a Watchog. Virgil defeats Dino in the final round, winning the Vertress Conference. The Vertress Conference ends.
New Places... Familiar Faces!	Ash and his friends return to Nuvema Town and meet up with Professor Juniper again. The Team Rocket trio returns to Unova with their focus back on their original goal: capturing Pikachu and any other Pokémon they can. Jessie and James are revealed to have obtained a Frillish and an Amoonguss. Ash, Iris, and Cilan decide to explore the White Ruins in the hopes of meeting Reshiram. Ash learns from Professor Juniper that there is a new Gym in Aspertia City and decides to go there en route to the White Ruins. N is introduced.
The Name's N!	Ash and his friends meet N. Jessie's Frillish is revealed to know Shadow Ball.
There's a New Gym Leader in Town!	Ash and his friends arrive in Aspertia City and meet Cheren, the Aspertia Gym Leader. Ash has an unofficial battle with Cheren and loses.
Team Plasma's Pokémon Power Plot!	Looker returns, with Iris and Cilan meeting him for the first time. Ash, Iris, and Cilan encounter the villainous Team Plasma, as well as the Plasma Scientist Colress, for the first time.
The Light of Floccesy Ranch!	Ash and his friends visit the Floccesy Ranch.
Saving Braviary!	Ash and his friends meet up with N again, and he joins the group.
The Pokémon Harbor Patrol!	Jessie's Woobat is revealed to have learned Hidden Power.
The Fires of a Red-Hot Reunion!	Ash sends Unfezant to Professor Oak's Laboratory. Ash's Charizard returns and is revealed to have learned Wing Attack, Slash, and Dragon Tail. Charizard battles Iris's Dragonite, but the battle is called off by N. Charizard rejoins Ash's team.
Team Plasma's Pokémon Manipulation!	Ash and his friends encounter Team Plasma and Looker again. Ash and his friends meet N's foster sisters, Anthea and Concordia, for the first time. N is injured during the battle against Team Plasma, and is taken to a spring by Anthea and Concordia.
Secrets From Out of the Fog!	Ash and his friends find out that N used to be a member of Team Plasma. N leaves the group. Ash and his friends arrive a short distance away from the Dragonspiral Tower.
Meowth, Colress and Team Rivalry!	Team Rocket attempts to convert Colress to their team, but to no avail. Team Rocket decides to head to the White Ruins.
Ash and N: A Clash of Ideals!	Ash, Iris, and Cilan are escorted to the White Ruins by Cedric Juniper's assistant, who later is revealed to be an undercover Looker. Ash and his friends meet up with Cedric Juniper and N again. Cedric Juniper finds the Light Stone, but it is taken away by N. Team Plasma begins their operation by attacking the White Ruins.
Team Plasma and the Awakening Ceremony!	Team Plasma continues their attack on the White Ruins. N surrenders the Light Stone to Team Plasma in exchange for Colress freeing Ash's Pikachu from his control. Ghetsis arrives and starts the ritual of awakening Reshiram.
What Lies Beyond Truth and Ideals!	Ghetsis summons and takes control of Reshiram. Anthea and Concordia arrive at the White Ruins to aid in the battle against Team Plasma. Colress's machine is destroyed, freeing all the Pokémon. Looker arrests Ghetsis, Colress and the other Team Plasma members, thereby bringing down the team. N leaves with Anthea and Concordia.

Decolore Islands

Episode	Details
Farewell, Unova! Setting Sail for New Adventures!	Professor Juniper prepares to send the Pokémon she has been keeping for Ash to Professor Oak. Ash, Iris, and Cilan leave Unova for Kanto, via the Decolore Islands.
Danger, Sweet as Honey!	Ash and his friends arrive in the Decolore Islands.
Cilan and the Case of the Purrloin Witness!	It is revealed that, like Nurse Joy, Officer Jenny, and Don George, there are many Porters that serve as guides on cruises through the Decolore Islands.
Crowning the Scalchop King!	Ash takes part in and wins the Scalchop King Competition. As per winning the competition, Ash's Oshawott is expected to stay on Scalchop Island, but his scalchop breaks due to the shock of a rejected love, disqualifying Oshawott and allowing him to continue traveling with Ash.
To Catch a Rotom!	Iris and Cilan meet Professor Oak in person for the first time. Professor Oak catches a Rotom. Ash and his friends decide to keep traveling the Decolore Islands by ship instead of going to Kanto with Professor Oak.
The Path That Leads to Goodbye!	Ash tries and fails to capture a Dunsparce.
Capacia Island UFO!	Ash finds an Amulet Coin.
The Journalist from Another Region!	Ash, Iris, and Cilan meet Alexa, a reporter from the Kalos region. Ash and his friends learn about the Kalos region. Ash wins a Pokémon Sumo Tournament, earning a Focus Band as a reward. Alexa joins Ash and his friends during their travels to Kanto.
Mystery on a Deserted Island!	Alexa meets Team Rocket for the first time.
A Pokémon of a Different Color!	Ash encounters Clair again. Iris and Cilan meet Clair for the first time. Clair is revealed to have caught the Dragonite of the Dragon Holy Land. Clair catches a Shiny Druddigon.
Team Rocket's Shocking Recruit!	Alexa is revealed to own a Noivern.
Celebrating the Hero's Comet!	Iris's Emolga temporarily joins Team Rocket.
Survival of the Striaton Gym!	Ash and his friends meet up with Chili and Cress again. Cilan's Pansage is revealed to have Gluttony as his Ability.
Best Wishes Until We Meet Again!	Ash, Iris, Cilan, and Alexa arrive in Kanto. Iris and Cilan decide to head to Johto by train, thus separating from Ash and Alexa, who continue on to Pallet Town.
The Dream Continues!	Ash and Alexa arrive in Pallet Town. Ash learns that Alexa's sister is a Gym Leader in the Kalos region. Ash decides to head to Kalos in order to challenge its Pokémon League. Ash leaves all of his Pokémon in rotation except Pikachu with Professor Oak. Ash receives new clothes from his mother. Jessie and James give their Pokémon to Giovanni at the Team Rocket HQ, while Jessie retrieves her Wobbuffet. Team Rocket decide to follow Ash to Kalos. Ash and Alexa leave Kanto for the Kalos region.
SS027	Cilan meets Brock for the first time, but neither are formally introduced to each other. Cilan tries and fails to catch a Gyarados. Cilan's Pansage is revealed to know Grass Whistle.

XY series

Kalos

Episode	Details
Kalos, Where Dreams and Adventures Begin!	Serena is introduced. Ash and Alexa arrive in Lumiose City, the central part of the Kalos region. Ash sees a mysterious Pokémon at the airport. Ash learns that Alexa's sister is away from her Gym, but there is another in Lumiose City itself. Ash and Alexa go their separate ways. Ash is unable to have an official Gym battle, as he needs four Badges in order to challenge the Lumiose Gym. Ash meets an inventor named Clemont and his sister Bonnie for the first time. Ash has a battle with Clemont, but it gets interrupted by Team Rocket. Clemont and Bonnie encounter Team Rocket for the first time. A Froakie saves Pikachu from Team Rocket, but is injured in the process.
Lumiose City Pursuit!	Ash meets Professor Sycamore for the first time. Ash, Clemont, Bonnie, and Team Rocket learn about Mega Evolution. Ash meets the Pokémon he saw at the airport and learns that it is a Mega Blaziken. Serena sees Ash on TV and recognizes him from when they were younger. Ash receives a new Pokédex from Professor Sycamore. Ash catches the Froakie he befriended.
A Battle of Aerial Mobility!	Serena leaves on her Pokémon journey. Ash, Clemont, and Bonnie agree to travel together. Ash registers for the Kalos League and receives a new Badge case. The group decides to head to Santalune City for Ash's first Gym battle. Bonnie befriends a Dedenne, which begins to follow the group. James catches an Inkay. Ash's Froakie is revealed to know Bubble. Ash catches a Fletchling. Serena reaches Lumiose City and meets Professor Sycamore as she prepares to choose her starter Pokémon.
A Shockingly Cheeky Friendship!	Serena receives a Pokédex from Professor Sycamore. Serena chooses Fennekin as her starter Pokémon. James's Inkay is revealed to know Tackle, Psybeam, and Foul Play. The Dedenne that the group met in the previous episode is revealed to know Tackle and Nuzzle. Clemont catches the Dedenne and allows Bonnie to take care of it.
A Blustery Santalune Gym Battle!	Ash, Clemont, and Bonnie reach Santalune City, with Serena arriving soon after. Ash meets up with Alexa again. Clemont, Bonnie, and Serena meet Alexa for the first time. Serena meets Clemont and Bonnie for the first time. Ash battles Viola in his first Kalos Gym match and loses. Serena reunites with Ash, although he initially fails to recognize her from their childhood.
Battling on Thin Ice!	Serena reveals that she and Ash first met at a summer camp in Pallet Town, but he does not remember her. Ash's Fletchling is revealed to know Steel Wing. Ash has a rematch against Viola and wins, earning himself his first Kalos League Badge, the Bug Badge. Ash learns that the next Gym is located in Cyllage City.
Giving Chase at the Rhyhorn Race!	Serena officially joins the group in their travels. Serena tells Ash about the first time they met, and Ash finally remembers her. The group decide to head back through Lumiose City on their way to Cyllage City. Serena encounters Team Rocket for the first time.
Clemont's Got a Secret!	Ash and his friends return to Lumiose City. Ash and Serena meet Meyer, Clemont and Bonnie's father. Ash and Serena learn that Clemont used to be the Leader of the Lumiose Gym before Clembot took over. Clemont is revealed to own a Magnemite, a Magneton, and a Heliolisk, which he keeps at the Gym. Clemont's Bunnelby is revealed to know Double Team. Clemont challenges Clembot to a battle and wins, reclaiming the Gym. Clemont modifies Clembot's programming and leaves it in charge of the Gym so he can continue traveling. Despite the Badge restriction being revoked, Ash decides to get three more Badges before challenging the Lumiose Gym. Clemont agrees to meet the challenge himself when the time comes.
Mega-Mega Meowth Madness!	Ash and his friends learn about Blaziken Mask, the Trainer of the Mega Blaziken that previously saved Ash. Blaziken Mask is secretly revealed to be Meyer, Clemont and Bonnie's father. Clemont receives a Chespin from Professor Sycamore.
The Bamboozling Forest!	Jessie catches a Pumpkaboo. Clemont's Chespin is revealed to know Vine Whip.
To Catch a Pokémon Smuggler!	Bonnie learns about evolution.
Kindergarten Chaos!	Ash learns of the Fairy type.
An Appetite for Battle!	Ash's Froakie is revealed to know Pound. Clemont's Chespin is revealed to have Overgrow as its Ability.
A Rush of Ninja Wisdom!	Ash and his friends meet Sanpei for the first time. Ash's Froakie tries to learn Quick Attack, but it ends up learning Double Team instead.
A Conspiracy to Conquer!	Ash, his friends, and Team Rocket encounter an evil, psychopathic Malamar.
Breaking Titles at the Chateau!	Ash and his friends visit the Battle Chateau. Ash and his friends encounter Viola again. Ash and his friends meet Grant. Ash wins his first Battle Chateau challenge and becomes a Baron. Ash and his friends learn that Grant is the Cyllage Gym Leader.
A PokéVision of Things to Come!	Serena learns about Pokévision and makes her first video. Jessie's Pumpkaboo is revealed to know Frustration. Serena's Fennekin is revealed to know Hidden Power and also learns Flamethrower.
SS028	Iris arrives in Blackthorn City and meets up with Clair again. Iris has a battle with Clair and loses. Iris catches a Gible. Iris sees a Rayquaza and decides to follow it.
Mega Evolution Special I	Alain meets Mairin, a beginner Trainer. Alain obtains an unknown Mega Stone. Mairin catches a Flabébé, which she nicknames "Bébé". Alain has a battle against Siebold of the Elite Four, but loses. Mairin decides to travel with Alain.
Going for the Gold!	Serena tries and fails to catch a Corsola.
Coming Back into the Cold!	Ash and his friends meet up with Alexa again.
An Undersea Place to Call Home!	Ash develops a strategy to counter Grant's Onix's Rock Tomb.
Climbing the Walls!	Ash and his friends reach Cyllage City. Ash has a Gym battle with Grant and wins, earning the Cliff Badge. Ash learns that the next Gym is located in Shalour City.
A Battle by Any Other Name!	Ash and his friends meet Miette for the first time. Serena and Miette enter the Poké Puff Contest but both end up losing. Serena's Fennekin is revealed to know Scratch*.
To Find a Fairy Flower!	Clemont tries to catch a Flabébé for Bonnie to take care of, but fails since she belongs to another Trainer.
The Bonds of Evolution	Ash and his friends encounter Professor Sycamore again. Ash and his friends meet Diantha, the Kalos League Champion. Ash and his friends learn about Mega Stones and Key Stones, as well as witness a Mega Evolution for the first time. Ash has a battle with Diantha, but it gets interrupted by Team Rocket.
Heroes - Friends and Faux Alike!	Jessie's Pumpkaboo is revealed to know Dark Pulse.
Mega Revelations!	Ash and his friends meet Korrina for the first time. Ash accepts a battle challenge from Korrina and loses. Ash and friends learn that Korrina is the Shalour City Gym Leader. The group starts traveling with Korrina to go to Geosenge Town to hunt for a Lucarionite.
The Cave of Trials!	Ash, his friends, and Korrina arrive in Geosenge Town. Clemont is revealed to have obtained his Heliolisk as a Helioptile. Ash and his friends meet Gurkinn, Korrina's grandfather, for the first time. Korrina obtains a Lucarionite. Korrina begins Mega Evolving her Lucario for the first time.
The Aura Storm!	Korrina's Lucario Mega Evolves into Mega Lucario for the first time. Ash has another battle with Korrina, but it is interrupted when Lucario goes out of control in its Mega Evolved state. Gurkinn sends Korrina, accompanied by Ash and his friends, to Pomace Mountain to train with a Mega Evolution Trainer living there.
Calling from Beyond the Aura!	Korrina's Lucario gains control over itself for the first time while Mega Evolved, but it soon loses control again.
The Bonds of Mega Evolution!	Ash, his friends, and Korrina arrive at Pomace Mountain. Korrina's Lucario learns how to fully and permanently control itself while Mega Evolved. Korrina leaves the group.
The Forest Champion!	Ash catches a Hawlucha.
Battles in the Sky!	Ash's Fletchling evolves into Fletchinder and learns Flame Charge.
Forging Forest Friendships!	Ash's Froakie learns Cut. Serena's Fennekin uses Scratch for the first time.
Summer of Discovery!	Ash, Clemont, Bonnie, and Serena enroll in the Pokémon Summer Camp. Ash and his friends meet up with Professor Sycamore again. Ash and his friends meet Shauna, Tierno, and Trevor for the first time. Serena has her first official Pokémon battle.
Day Three Blockbusters!	Ash and his friends continue their week at the Pokémon Summer Camp. Aria's Fennekin is revealed to have evolved into a Braixen. Serena learns about Pokémon Showcases.
Foggy Pokémon Orienteering!	Ash and his friends continue their week at the Pokémon Summer Camp.
Battling Into the Hall of Fame!	The Pokémon Summer Camp ends.
Origins of Mega Evolution!	Ash and his friends arrive in Shalour City and meet up with Korrina again. Ash prepares to start his Gym battle with Korrina.
Showdown at the Shalour Gym!	Ash has a Gym battle against Korrina and wins, earning the Rumble Badge. Ash learns that the next Gym is located in Coumarine City.
Dreaming a Performer's Dream!	Ash and his friends arrive in Lagoon Town and meet up with Shauna again. Serena catches a Pancham, making it her first caught Pokémon. Serena sets her goal to become a Pokémon Performer.
A Campus Reunion!	Clemont reunites with a Luxio he met as a Shinx and catches him.
Bonnie for the Defense!	Clemont's Luxio is revealed to know Wild Charge.
Mega Evolution Special II	Alain and Mairin arrive in the Hoenn region. Steven is revealed to own a Shiny Mega Metagross. Alain and Charizard battle Steven, but the battle is interrupted by Lysandre. Steven is revealed to be the Hoenn League Champion. It is revealed that Alain currently works with Lysandre and Lysandre Labs, and that he received his Mega Ring and Charizardite X from him. Rayquaza attacks Alain and his company during their research, becoming Mega Rayquaza in the process. Alain and Steven attempt to battle Mega Rayquaza, but are quickly overwhelmed. Lysandre orders Alain to go to Rustboro City.
Pathways to Performance Partnering!	Ash and his friends meet Nini, a Pokémon Performer.
A Stealthy Challenge!	Ash and his friends meet up with Sanpei again. Sanpei's Frogadier is revealed to have evolved into a Greninja. Ash's Froakie evolves into Frogadier and learns Aerial Ace.
A Race for Home!	Ash, Clemont and Bonnie meet Serena's mother, Grace, for the first time in person. Grace learns of Serena's dream to become a Pokémon Performer. Serena wins in a Skiddo race against her mother, and receives her blessing to pursue her goal. Serena learns that a Pokémon Showcase will be held in Coumarine City.
Facing a Grand Design!	Ash, his friends, and Team Rocket encounter the evil Malamar from before. James attempts to release Inkay, but Inkay decides to stay with him.
A Slippery Encounter!	Ash catches a Goomy.
One for the Goomy!	Ash's Goomy gets over its fear of Fairy-types and befriends Dedenne.
Thawing an Icy Panic!	Ash and his friends arrive in Coumarine City and meet Ramos, the Leader of the Coumarine Gym.
The Green, Green Grass Types of Home!	Ash has a Gym battle with Ramos and wins, earning the Plant Badge.
Under the Pledging Tree!	Ash wants to catch a Dunsparce again, but is unable to, since he has no Poké Balls on hand. Serena receives the blue ribbon she will wear as part as her new outfit starting in the following episode.
A Showcase Debut!	Ash and his friends encounter Shauna again. Serena and Jessie both participate in their first Pokémon Showcase. Shauna wins the Coumarine Showcase Rookie Class and her first Princess Key. Serena cuts her hair short and starts wearing new clothes. Ash and his friends head back to Lumiose City for Ash's Gym battle with Clemont.
An Oasis of Hope!	Ash's Goomy evolves into Sliggoo and learns Dragon Breath.
The Future Is Now, Thanks to Determination!	Clemont's Luxio evolves into Luxray and learns Electric Terrain. Clemont leaves the group and heads to Lumiose City in a helicopter to train before his Gym battle with Ash.
A Fork in the Road! A Parting of the Ways!	Clemont begins training in preparation for his battle with Ash, adding his Gym Pokémon back to his active party. Clemont's Bunnelby learns a new move, which is later revealed to be Wild Charge. Jessie attempts to release Wobbuffet, but Wobbuffet decides to stay with her.
Battling with Elegance and a Big Smile!	Clemont meets a Trainer named Sawyer, whom he defeats in a Gym battle. Serena meets Kalos Queen Aria in person. Aria's Braixen is revealed to have evolved into Delphox. Aria is revealed to own an Aromatisse. Serena's Fennekin evolves into Braixen. Serena has a Double Battle against Aria, but the battle is interrupted when Aria gets called away.
Mega Evolution Special III	Alain, Mairin, and Steven arrive in Rustboro City. Alain and Steven battle Primal Groudon and Primal Kyogre. Mega Rayquaza reappears, stopping the rampage between Primal Groudon and Primal Kyogre. Lysandre obtains the legendary Giant Rock. Professor Sycamore learns that Alain can use Mega Evolution. Alain separates from Mairin and returns to Lysandre Labs to train. Mairin returns to Kalos with Steven in search of Alain.
Good Friends, Great Training!	Ash, Serena, and Bonnie meet up with Tierno again. Tierno is revealed to have earned the Voltage Badge from Clembot. Tierno's Squirtle is revealed to have evolved into a Wartortle. Tierno is revealed to have obtained a Politoed, a Hitmontop, a Ludicolo, and a Raichu. Ash's Sliggoo evolves into Goodra and learns Dragon Pulse. Ash has a Double Battle with Tierno and wins. Ash and his friends arrive back at Lumiose City.
Confronting the Darkess!	Ash, Serena, and Bonnie arrive back in Lumiose City and reunite with Clemont. Clemont learns that Serena's Fennekin and Ash's Sliggoo have evolved into Braixen and Goodra, respectively. Ash and his friends encounter Meyer and Alexa again.
The Moment of Lumiose Truth!	Clemont's Bunnelby is revealed to have learned Wild Charge. Clemont's Heliolisk is revealed to know Flash and Thunder Wave. Ash's Goodra is revealed to have Hydration as its Ability. Ash has a Gym battle with Clemont and wins, earning the Voltage Badge. Ash learns that the next Gym is located in Laverre City. Clemont returns control of Lumiose Gym and his Gym Pokémon to Clembot while he resumes his travels with Ash.
Garchomp's Mega Bond!	Ash and his friends meet up with Professor Sycamore again. Professor Sycamore is revealed to have obtained a Key Stone and a Garchompite. Professor Sycamore's Garchomp achieves Mega Evolution for the first time. Ash and his friends head for Laverre City for Ash's next Gym battle. Professor Sycamore discovers the identity of Blaziken Mask. Meyer decides to help Professor Sycamore with his research in Mega Evolution.
Defending the Homeland!	Ash and his friends arrive at Goodra's homeland. Ash and his friends learn the full story behind the invasion of Goodra's homeland. Ash's Goodra learns Ice Beam.
Beyond the Rainbow!	Ash and his friends learn the truth about why Florges invaded Goodra's homeland. Ash leaves Goodra at the wetlands so that it can stay with its friends.
A Fashionable Battle!	Ash and his friends arrive in Laverre City and meet the Leader of the Laverre Gym, Valerie. Clemont meets up with Sawyer again, while Ash, Serena, and Bonnie meet him for the first time. Sawyer is revealed to have obtained a Bagon. Ash and Sawyer have a Double Battle, which is interrupted. Sawyer has a battle against Valerie and loses.
Fairy-Type Trickery!	Ash's Hawlucha is revealed to have learned X-Scissor. Ash has a Gym battle with Valerie and wins, earning the Fairy Badge.
Rivals: Today and Tomorrow!	Sawyer is revealed to own a Slurpuff. Serena learns that a Pokémon Showcase will be held in Dendemille Town. Ash learns that the next Gym is located in Anistar City. Sawyer's Treecko evolves into Grovyle. Ash has a three-on-three battle against Sawyer and wins. Sawyer leaves the group and heads to Coumarine City to face the Coumarine City Gym Leader, Ramos.
A Not-So-Flying-Start!	Ash and his friends come across a Pokémon Egg, which hatches into a Noibat. Ash's Fletchinder is revealed to have Flame Body as its Ability. Ash catches the newly hatched Noibat.
A Relay in the Sky!	Ash competes in the Pokémon Sky Relay with his Flying-type Pokémon Fletchinder, Hawlucha, and Noibat; and gets second place. Noibat learns how to fly.
Performing with Fiery Charm!	Ash and his friends arrive in Dendemille Town and meet up with Miette again. Miette is revealed to have obtained a Meowstic. Serena, Jessie, and Miette compete in the Dendemille Showcase Rookie Class. Serena wins the Dendemille Showcase, earning her first Princess Key.
A Festival Trade! A Festival Farewell?	Jessie trades her Pumpkaboo with Count Pumpka's Mawile, but later trades it back. After Jessie and Count Pumpka trade their Pokémon, Pumpkaboo evolves into Gourgeist.
Over the Mountain of Snow!	Jessie's Gourgeist is revealed to have learned Seed Bomb.
Mending a Broken Spirit!	Serena's Braixen learns Fire Blast. Serena's Braixen receives a new stick wand, decorated with a ribbon.
A Legendary Photo Op!	Ash and his friends meet up with Trevor again. Trevor's Charmander is revealed to have evolved into Charmeleon. Ash has a battle against Trevor and wins. Trevor is revealed to have earned the Bug Badge from Viola. Ash's Fletchinder evolves into Talonflame and learns Brave Bird.
The Tiny Caretaker!	Clemont tries and fails to capture a Tyrantrum for Bonnie to take care of, due to it already belonging to someone else.
A Trip Down Memory Train!	Clemont reveals how he got his Bunnelby.
A Frolicking Find in the Flowers!	Serena learns that a Pokémon Showcase will be held in Anistar City. Serena catches an Eevee.
Tag Team Battle Inspiration!	Ash and his friends arrive in Anistar City and meet up with Tierno and Shauna again. Tierno's Wartortle and Shauna's Bulbasaur are revealed to have evolved into Blastoise and Ivysaur, respectively. Tierno is revealed to have challenged the Anistar Gym and lost. Ash and Tierno have a Tag Battle against Serena and Shauna, which is called off. Ash has a battle against Tierno, but the result is unknown.
A Performance Pop Quiz!	Ash and his friends meet up with Nini again. Serena, Jessie, Shauna, and Nini all compete in the Anistar City Pokémon Showcase Rookie Class. Serena wins, earning her second Princess Key. Shauna is revealed to have earned her second Princess Key. Shauna and Tierno part ways with Ash and his friends, and return to Trevor.
Cloudy Fate, Bright Future!	Ash and his friends meet up with Professor Sycamore again. Ash and his friends learn about Anistar City's giant sundial. Ash and his friends meet Olympia, the Gym Leader of the Anistar Gym. Olympia predicts Ash, his friends, and Team Rocket will have an important role in a future crisis. She also predicts Ash's Frogadier will have a unique power when it evolves. Ash, his friends, and Professor Sycamore learn more about Ash's Frogadier's past.
All Eyes on the Future!	Ash has a Gym battle against Olympia and wins, earning the Psychic Badge. Professor Sycamore gives Ash and Serena a new Pokédex. Ash learns of a Gym in Snowbelle City and decides to head there.
Mega Evolution Special IV	Alain and Mairin reunite. Alain has a battle with Malva of the Elite Four and wins. Chespie meets a Zygarde Core and helps it escape from Lysandre Labs, but falls ill in the process. Lysandre is revealed to have a Key Stone. Alain sets off on a quest to restore Chespie's health.
From A to Z!	Ash and his friends find a Zygarde Core which Bonnie nicknames Squishy. Ash and his friends meet up with Sawyer again. Ash and his friends encounter Team Flare for the first time. Sawyer is revealed to have earned four more Badges. Sawyer tells Ash and his friends about Terminus Cave, which the group decides to visit on their way to Snowbelle City.
Love Strikes! Eevee, Yikes!	Ash and his friends tell Professor Sycamore about Squishy. Serena's Eevee is revealed to know Double Team.
A Giga Battle with Mega Results!	Ash and his friends encounter Professor Sycamore again. Professor Sycamore starts to research on Squishy.
The Legend of the Ninja Hero!	Ash and his friends meet up with Sanpei again, and then they meet his brothers Ippei and Nihei in person.
A Festival of Decisions!	Ash's Frogadier evolves into Greninja and learns Water Shuriken. Ash's Greninja transforms into Ash-Greninja for the first time, though no one is aware of it.
A Dancing Debut!	Ash and his friends arrive in Couriway Town and meet up with Nini again. Nini is revealed to have obtained a Gothita and to have earned two Princess Keys. Serena, Jessie, and Nini enter the Couriway Showcase Rookie Class and Jessie wins, earning her first Princess Key.
Meeting at Terminus Cave!	Ash and his friends arrive at Terminus Cave and encounter Team Flare again. Ash's Noibat is revealed to know Tackle. Ash and his friends see Squishy changing its form for the first time. Squishy gets separated from Ash and his friends.
A Cellular Connection!	Squishy returns to travel with the group.
A Windswept Encounter!	Ash's Noibat learns Acrobatics.
Party Dancecapades!	Ash and his friends meet up with Miette again. Ash and Serena have a Tag Battle against Miette and James and win. Serena's Eevee evolves into Sylveon and learns Fairy Wind. Serena learns that a Pokémon Showcase will be held in Fleurrh City.
A Meeting of Two Journeys!	Ash and his friends meet up with Sawyer again. Sawyer is revealed to have caught a Honedge. Sawyer's Grovyle and Bagon are revealed to have evolved into a Sceptile and Shelgon, respectively. Ash and Sawyer have a three-on-three battle and Ash wins. Ash and his friends meet Alain for the first time. Ash battles Alain and loses. Clemont vows to help Ash control his Greninja's form using his inventions, which will be revealed later on.
An Explosive Operation!	Giovanni assigns Jessie, James, and Meowth to capture Zygarde. Team Rocket attempt to capture Z2, but they are stopped by Team Flare and Alain. Z2 is captured by Team Flare.
Master Class Choices!	Ash and his friends arrive in Fleurrh City. Serena enters the Fleurrh Showcase Rookie Class and wins, earning her third Princess Key and qualifying for the Master Class. Serena meets Palermo for the first time. Serena learns that the Pokémon Showcase Master Class will take place in Gloire City.
An Electrifying Rage!	Ash's Noibat evolves into Noivern and learns Boomburst.
Unlocking Some Respect!	Xerosic begins experimenting on Z2.
Master Class is in Session!	Ash and his friends arrive in Gloire City and meet up with Nini, Miette, and Shauna again. Nini, Miette, Shauna, and Jessilee are revealed to have three Princess Keys each. Serena, Nini, Miette, Shauna, and Jessilee all enter the Gloire City Pokémon Showcase Master Class. Serena, Shauna, and Jessie advance to the semifinals.
Performing a Pathway to the Future!	Serena defeats Shauna and Jessilee in the semifinals and moves on to the finals of the Gloire Showcase Master Class. Aria is revealed to own a Vivillon. Aria defeats Serena in the finals and keeps the title of Kalos Queen. Palermo offers to tutor Serena. Serena eventually turns down Palermo's offer in order to continue traveling with her friends, although the offer remains open.
The Synchronicity Test!	Clemont invents a wristband-like mechanic to enhance and analyze Ash and Greninja when using the Ash-Greninja form. Ash and his friends encounter Alain again. Alain is revealed to own a Metang. Ash has a battle against Alain and loses. Ash has a second battle with Alain, but it is abandoned when Ash collapses due to the strain of using the Ash-Greninja form.
Championing a Research Battle!	Olympia tells Diantha about the upcoming threat to Kalos. Ash and his friends meet up with Diantha again. Diantha informs Ash and his friends about various incidents happening all over Kalos, including the island that Team Flare used to experiment on, and about Zygarde. Ash's Greninja reaches its final Ash-Greninja form for the first time. Ash has a rematch against Diantha, which is interrupted when Ash overexerts himself during the battle and collapses with Greninja.
A Full-Strength Battle Surprise!	Ash and his friends meet up with Sawyer again. Sawyer is revealed to have earned three more Badges, thus bringing his total to eight and qualifying him for the Kalos League. Ash has another battle against Sawyer and loses, suffering his first loss to the latter. Sawyer's Honedge is revealed to have evolved into Doublade. Ash's Noivern is revealed to have learned Dragon Claw. Sawyer is revealed to have caught a Clawitzer. During the battle, Ash attempts to activate Greninja's Ash-Greninja form, but it fails for the first time. Sawyer travels with Ash and his friends as they head towards Snowbelle City.
All Hail the Ice Battlefield!	Ash and his friends arrive in Snowbelle City. Ash and his friends meet Wulfric, the Leader of the Snowbelle Gym. Ash has a Gym battle with Wulfric and loses. Sawyer leaves the group. Dejected by his loss to Wulfric, Ash goes off by himself into the Winding Woods.
Seeing the Forest for the Trees!	Ash and Greninja perfect the Ash-Greninja form. Ash and his friends learn that the Kalos League will be held in Lumiose City.
A Real Icebreaker!	Ash has a rematch against Wulfric and wins, earning the Iceberg Badge and thus qualifying for the Kalos League. Ash and his friends prepare to head back to Lumiose City in order to participate in the Lumiose Conference.
A Diamond in the Rough!	Ash and his friends visit the wetlands again and meet up with Goodra and Keanan. Alain is revealed to have begun collecting Badges. Alain defeats Korrina at the Shalour Gym and earns the Rumble Badge, fulfilling his requirements for entering the Lumiose Conference.
A League of His Own!	Ash and his friends arrive back in Lumiose City and meet up with Tierno, Trevor, Sawyer, and Alain again. Ash and his friends meet Malva for the first time. Ash, Tierno, Trevor, Sawyer, and Alain all enter the Lumiose Conference. Alain briefly reunites with Professor Sycamore. The Lumiose Conference begins. Trevor's Charmeleon is revealed to have evolved into Charizard. Trevor is revealed to have obtained a Key Stone, a Charizardite Y, an Aerodactyl, and a Florges. Alain and Ash defeat Trevor and Titus, respectively, and advance to the second round.
Valuable Experience for All!	Sawyer is revealed to have obtained a Slaking. Ash, Sawyer, and Tierno are all revealed to have made it to the quarter-finals. Alain is revealed to have advanced all the way to the semi-finals. Ash battles Astrid in the quarter-finals and wins, advancing to the semi-finals. Ash and his friends meet up with Shauna again. Sawyer's Doublade is revealed to have evolved into Aegislash. Sawyer is revealed to have obtained a Key Stone and a Sceptilite. Tierno and Sawyer battle each other and Sawyer wins, advancing to the semi-finals. Ash and Alain are revealed to be facing Sawyer and Remo, respectively, in the semi-finals. Ash's Goodra returns to Ash's party as his sixth member for the Full Battle against Sawyer.
Analysis Versus Passion!	Alain and Remo have a Full Battle against each other and Alain wins, advancing to the finals. Alain's Metang is revealed to have evolved into Metagross. Ash begins his Full Battle against Sawyer in the semi-finals of the Lumiose Conference.
A Riveting Rivalry!	Sawyer's Shelgon is revealed to have evolved into Salamence. The Full Battle between Ash and Sawyer ends in Ash's victory, advancing him to the finals to face Alain.
Kalos League Passion with a Certain Flare!	Ash and his friends meet up with Meyer and Clembot again. Ash and his friends meet Mairin for the first time. Ash and his friends learn about Bond Phenomenon from Professor Sycamore. Team Flare continue their plans for Z2 by secretly taking over the Lumiose Gym. Ash meets Lysandre for the first time. Ash and Alain prepare to start their Full Battle in the final round of the Lumiose Conference.
Finals Not for the Faint-Hearted!	Ash and Alain begin their Full Battle in the Lumiose Conference finals. Alain is revealed to own a Tyranitar, Weavile, Bisharp, and Unfezant.
Down to the Fiery Finish!	The Full Battle between Ash and Alain ends in Alain's victory, making him the winner of the Lumiose Conference. Team Flare places Z2 under their control. The Lumiose Conference ends. Z2 transforms into its 50% Forme and attacks Lumiose City. Squishy goes off by itself to encounter Z2.
A Towering Takeover!	Ash learns that Lysandre is the boss of Team Flare and that Alain has been working for him. Ash and his Pokémon are captured by Team Flare. Serena, Clemont, and Bonnie encounter Lysandre for the first time. Alain learns of Lysandre's true nature. Ash and his friends see Squishy change into its 50% Forme for the first time and learn that Squishy is actually a Zygarde.
Coming Apart at the Dreams!	Squishy battles against Z2, but ends up getting subdued by it. Squishy is revealed to know Extreme Speed. Lysandre reveals to Alain his true purpose of having him collect Mega Evolution energy. Serena, Mairin, and Professor Sycamore head to Lysandre Labs to rescue Chespie, with the help of Team Rocket. Ash and Greninja free themselves from Lysandre's binds using Bond Phenomenon, with Alain helping to free his other Pokémon. Alain turns against Lysandre. Clemont and Clembot defeat Bryony and Aliana, with Clembot subduing them afterwards, allowing them to infiltrate the Lumiose Gym in order to reclaim it. Team Flare places Squishy under their control. Ash and Alain begin their battle against Lysandre.
The Right Hero for the Right Job!	Ash and Alain continue their battle against Lysandre, but are interrupted by Malva. Clemont battles Xerosic and wins, reclaiming the Lumiose Gym. Steven arrives to help out Serena, Professor Sycamore, and Mairin at Lysandre Labs. Serena meets Steven for the first time. Team Rocket begins their battle against Celosia. Ash learns that Malva is part of Team Flare. Malva is revealed to be in opposition of Lysandre's plan, and she turns against him. Serena, Professor Sycamore, and Mairin successfully rescue Chespie. Bonnie sings Puni-chan's Song to Squishy, freeing it from Team Flare's mind control. Clemont destroys the machine controlling Z2, which in turn destroys Clembot, at the robot's own request. Z2 is also released from Team Flare's control, apparently thwarting Lysandre's evil scheme.
Rocking Kalos Defenses!	Ash and Alain defeat Lysandre. Team Rocket defeats and subdues Celosia and Mable. The Giant Rock inside Lysandre Labs absorbs Chespie and takes the form of a Zygarde 50% Forme. The Giant Rock destroys Lysandre Labs and heads towards the Anistar City Sundial, threatening to cause an explosion that would destroy the world. Bonnie persuades Z2 to trust her. Ash encounters Steven again. Ash and his friends, along with Alain, Mairin, Professor Sycamore, Blaziken Mask, Steven, Malva, and Team Rocket, follow the Giant Rock. Diantha and all the Gym Leaders of Kalos arrive to join the battle against the Giant Rock.
Forming a More Perfect Union!	Ash and Alain rescue Chespie from the Giant Rock, temporarily stopping it. Lysandre returns and gains control of the Giant Rock. Clemont and Bonnie discover that Blaziken Mask is Meyer, their father. Squishy and Z2 combine into Zygarde Complete Forme in order to battle and destroy the Giant Rock. Squishy is revealed to know Core Enforcer. The Giant Rock is destroyed, with Lysandre disappearing in the process, leaving his fate unknown and resulting in Team Flare's defeat. Malva decides to disband Team Flare and turn herself in. Chespie wakes up from its coma. Squishy leaves with Z2.
Battling With a Clean Slate!	Clemont rebuilds Clembot and reopens the Lumiose Gym. Team Rocket plans to return to the Team Rocket HQ once the Lumiose Airport reopens. Ash reveals that he is planning to head back to Pallet Town. Clemont's Magneton is revealed to know Rain Dance, Thunder, and Sonic Boom, while his Heliolisk is revealed to know Focus Blast. Professor Sycamore gives medals to Ash, his friends, Alain, Mairin, and their Pokémon for their heroic efforts against Team Flare. Professor Sycamore requests Alain to become his assistant again. Serena considers accepting the offer that Palermo made to her earlier.
The First Day of the Rest of Your Life!	Ash and Serena have a battle, which is eventually called off. Serena again declines Palermo's earlier offer, having decided to continue traveling in order to increase her skills. On Palermo's advice, Serena decides to head to Hoenn to compete in Pokémon Contests.
Facing the Needs of the Many!	Ash's Goodra returns to its home in the wetlands. Xerosic returns, intending to create Team Neo Flare, but is defeated and arrested. Ash and his friends meet up with Squishy and Z2 again. Ash releases Greninja so that it can detect and destroy the reappearing roots with Squishy and Z2. Bonnie promises to Squishy that she will go on another adventure with it once she becomes a Trainer.
Till We Compete Again!	Team Rocket heads back to the Team Rocket Headquarters. Serena leaves the group and heads to Hoenn, arriving there sometime later. Ash and Clemont have a battle, with the end result left unknown. Ash separates from Clemont and Bonnie, leaving the Kalos region and returning to Pallet Town.
SS037	Cilan is revealed to have traveled to Kalos for a fishing competition held in Lumiose City. Clemont and Bonnie meet Cilan for the first time. Cilan's Pansage is revealed to have learned Vine Whip. Cilan leaves Lumiose City to head to the Tower of Mastery.

Sun & Moon series

Alola

Episode	Details
Alola to New Adventure!	Ash, Pikachu, Delia, and Mimey are revealed to have traveled to the Alola region. Ash encounters a roaming Litten for the first time. Ash is revealed to have left all of his party Pokémon except Pikachu at Professor Oak's Laboratory. Professor Oak is revealed to have tasked Ash with delivering an Egg to his Alolan cousin, Samson Oak. Ash learns about Ride Pokémon. Ash meets Lana, Lillie, Mallow, Sophocles, Kiawe, Samson Oak, and Professor Kukui for the first time. Mallow meets Delia for the first time Ash delivers the Egg to Samson Oak. Ash encounters Team Skull for the first time. Ash learns about Z-Moves and the island challenge. Ash encounters the guardian deity of Melemele Island, Tapu Koko, for the first time. Ash receives a Z-Ring equipped with an Electrium Z from Tapu Koko. Delia and Mimey both return to Pallet Town, while Ash stays in Alola to study at the Pokémon School.
The Guardian's Challenge!	Ash learns about regional variants. Sophocles's Togedemaru is revealed to know Zing Zap and have Lightning Rod as her Ability. Ash encounters Tapu Koko again, with his classmates encountering it for the first time. Ash and Pikachu have a battle against Tapu Koko, which gets called off when Tapu Koko flees. Ash and Pikachu perform Gigavolt Havoc for the first time. In the process, Ash also performs a Z-Move for the first time. Ash's Electrium Z shatters right after being used. Ash decides to take on the island challenge in order to get new Z-Crystals and qualify as a Z-Move user. Ash receives a new Pokédex from Professor Kukui.
Loading the Dex!	Team Rocket arrives in the Alola region, having been assigned by Giovanni to capture the region's unique Pokémon. A Rotom inhabits Ash's new Pokédex, turning it into a Rotom Pokédex. Jessie and James are revealed to have deposited Gourgeist and Inkay at Team Rocket HQ. Ash tries to catch a Mimikyu, but it decides to side with Team Rocket instead. Ash's classmates encounter Team Rocket for the first time. A Bewear starts following and caring for Team Rocket.
First Catch in Alola, Ketchum-Style!	Ash tries and fails to catch a Grubbin. James is revealed to own a Luxury Ball. Jessie uses James's Luxury Ball to catch the Mimikyu that Team Rocket had encountered earlier. Ash catches a Rowlet.
Yo, Ho, Ho! Go, Popplio!	Lana reveals how she first met Popplio. Ash meets Harper and Sarah, Lana's younger sisters, for the first time.
That's Why the Litten is a Scamp!‬	Litten is revealed to know Fury Swipes. Ash tries to catch Litten, but eventually decides to let it go.
Lillie's Egg-xhilarating Challenge!	Samson Oak gives Ash and his classmates an Egg, which Lillie agrees to take care of. Ash's Rowlet is revealed to know Tackle and Peck. Lillie's phobia of Pokémon is revealed to be the result of a traumatic experience involving her mother that she doesn't remember. Lillie overcomes her phobia of Pokémon a little bit, being able to touch the Egg entrusted to her.
To Top a Totem!	Ash meets the Kahuna of Melemele Island, Hala, for the first time. Hala reveals that the Z-Ring equipped with an Electrium Z that Tapu Koko gave to Ash earlier was taken from him. Ash clears his first trial in the Verdant Cavern, earning a Normalium Z from the Totem Gumshoos as a reward. Ash becomes qualified to challenge Hala's grand trial. Officer Jenny convinces a Gumshoos to join her team.
Trial and Tribulation!	Ash and Pikachu perform Breakneck Blitz for the first time. Ash battles Hala in the Melemele Island grand trial and wins. Hala goes to reward Ash with a Fightinium Z, but Tapu Koko switches it with an Electrium Z, which Ash receives instead.
Young Kiawe Had a Farm!	Ash's Rowlet performs Breakneck Blitz for the first time. Ash visits Akala Island for the first time. Ash meets Kiawe's family for the first time. Kiawe's Turtonator is revealed to know Flamethrower.
The Sun, the Scare, the Secret Lair!	Jessie and James try and fail to catch a Cloyster and Carvanha, respectively. Team Rocket decides to make Bewear's den their base of operations in Alola. James catches a Mareanie.
Racing to a Big Event!	Lillie is revealed to have nicknamed the Egg she had been raising Snowy. The Egg that Lillie and her classmates have been taking care of hatches into an Alolan Vulpix.
Getting to Know You!	The Egg that Ash delivered to Samson Oak hatches into a Vulpix. Snowy, the Alolan Vulpix that hatched in the previous episode, is revealed to know Powder Snow. Lillie catches Snowy, making it her first Pokémon. Lillie becomes able to touch her own Pokémon, but not others.
Rocking Clawmark Hill!	Rockruff is revealed to not be Professor Kukui's Pokémon, but a wild Pokémon that he takes care of. Rockruff is revealed to know Tackle and Bite and learns Rock Throw. Ash catches Rockruff.
They Might Not Be Giants!	Lana's Popplio is revealed to know Bubble Beam. Litten is revealed to know Slash.
Crystal-Clear Sleuthing!	Rotom updates itself with a video camera function.
A Seasoned Search!	Ash meets Abe, Mallow's father, for the first time. Team Rocket completes the construction of their base in Bewear's den. Mallow's Bounsweet evolves into Steenee and learns Double Slap and Magical Leaf.
A Guardian Rematch!	Ash's Rockruff performs Breakneck Blitz for the first time. Ash meets Sophocles's family for the first time. Ash and Pikachu have a rematch with Tapu Koko, with no clear winner.
Partner Promises!	Ash encounters the guardian deity of Akala Island, Tapu Lele, for the first time.
One Journey Ends, Another Begins...	Litten is revealed to have learned Fire Fang, although it hasn't mastered it yet. The Stoutland that Litten was living with vanishes. Ash catches Litten.
A Shivering Shovel Search!	Ash's Litten masters Fire Fang.
Getting the Band Back Together!	Rotom updates itself with a voice sampling function.
Alolan Open House!	Ash's Litten is revealed to know Scratch. Lillie meets Delia for the first time.
A Team-on-Team Tussle!	Team Rocket learns about Z-Moves and Z-Crystals. Team Rocket encounters Team Skull for the first time. Team Rocket and Team Skull fight for a Darkinium Z, which Team Rocket takes for themselves.
So Long, Sophocles!	Ash brings Sophocles a wild Charjabug as a present. Sophocles catches the Charjabug.
A Glaring Rivalry!	Ash meets Gladion, Lillie's older brother, for the first time. Ash has a battle with Gladion, but it is interrupted by Team Rocket. Ash learns that he can get a Rockium Z from the Island Kahuna of Akala Island.
The Ol' Raise and Switch!	Lillie becomes able to touch Pikachu. Ash battles Lillie, although the end result is left unknown.
The Island Whisperer!	Ash, Lana, Lillie, Mallow, and Sophocles meet Olivia, the Akala Island Kahuna, for the first time. Ash and his classmates travel to Akala Island along with Olivia and Professor Kukui.
Treasure Hunt, Akala Style!	Ash tries and fails to catch an Alolan Geodude. Lana finds a Sparkling Stone, which Olivia takes to be modified into a Z-Ring for her.
Big Sky, Small Fry!	Lana's Popplio learns Aqua Jet. Lana clears the trial at Brooklet Hill with Ash's help, earning a Waterium Z from a Totem Solo Form Wishiwashi as a reward. Olivia converts Lana's Sparkling Stone into a Z-Ring and gives it back to her.
A Crowning Moment of Truth!	Kiawe's Turtonator is revealed to know Dragon Tail, and also learns Shell Smash. Kiawe catches an Alolan Marowak.
Currying Favor and Flavor!	Ash's Litten performs Breakneck Blitz for the first time. Ash clears the trial in Lush Jungle, earning a Grassium Z from the Totem Lurantis as a reward. Ash becomes qualified to challenge Olivia's grand trial.
Trials and Determinations!	Ash and Rowlet perform Bloom Doom for the first time. Ash battles Olivia in the Akala Island grand trial and wins, earning a Rockium Z as a reward. Olivia informs Ash that his Rockruff will evolve soon.
Rising from the Ruins!	Gladion is revealed to own a Type: Null nicknamed "Silvally". Ash's Rockruff evolves into a Dusk Form Lycanroc. Ash, his classmates, and Professor Kukui leave Akala Island and return to Melemele Island.
Mimikyu Unmasked!	Ash and Lycanroc perform Continental Crush for the first time.
Balloons, Brionne, and Belligerence!	Lana and Popplio perform Hydro Vortex for the first time.
Mounting an Electrifying Charge!	Sophocles's Charjabug is revealed to know String Shot.
Alola, Kanto!	Ash and his classmates travel to Kanto for an extracurricular activity and arrive in Pallet Town. Team Rocket also travels to Kanto, but are later taken back to Alola by Bewear. Ash reunites with Misty and Brock. Lana, Kiawe, Lillie, Mallow, and Sophocles meet Misty, Brock, Professor Oak, and Jigglypuff for the first time. In addition, Misty and Brock meet Professor Kukui, Samson Oak, and Bewear for the first time. Lana, Kiawe, and Sophocles meet Delia for the first time. Ash's Lycanroc is revealed to have learned Accelerock. Ash and his classmates travel to Cerulean City to visit the Cerulean Gym.
When Regions Collide!	Lana and Mallow have a Multi Battle against Misty, but the battle is called off. Misty's Psyduck is revealed to have mastered Water Gun. Sophocles and Lillie have a Multi Battle against Brock, but the battle is called off. Brock's Geodude is revealed to have learned Gyro Ball and his Steelix is revealed to have learned Gyro Ball and Stone Edge. Brock and Misty are revealed to each have obtained a Key Stone, while Brock is revealed to have obtained a Steelixite and Misty is revealed to have obtained a Gyaradosite. Ash's classmates learn about Mega Evolution. Kiawe has a battle against Brock and loses. Ash has a battle against Misty and wins. Misty's Gyarados is revealed to have learned Rain Dance, Hurricane, and Crunch. Professor Kukui reveals that he intends to establish a Pokémon League in Alola. Ash, his classmates, Professor Kukui, Samson Oak, and Team Rocket return to Alola. Jigglypuff follows Ash and his classmates to Alola on top of their plane.
A Dream Encounter!	Ash finds and befriends a Cosmog, which Lillie nicknames Nebby. Lillie reunites with her mother, Lusamine. Ash meets Lusamine, Professor Burnet, Faba, and Wicke for the first time. Ash learns about the Aether Foundation and Ultra Beasts.
Now You See Them, Now You Don't!	Nebby is revealed to know Teleport.
Deceiving Appearances!	Ash and his classmates visit Aether Paradise, with Ash, Kiawe, Sophocles, Mallow, and Lana visiting it for the first time. Kiawe, Sophocles, Mallow, and Lana meet Lusamine, Faba, Wicke, and Professor Burnet for the first time. Faba is revealed to have hired Team Rocket to work for him as Aether Foundation Employees. Team Rocket learns about Type: Null and the Ultra Beasts.
A Masked Warning!	Ash's Lycanroc is revealed to go berserk when its fur gets dirty. Ash meets Gladion again. Ash learns that Lillie's fear of touching Pokémon is related to an Ultra Beast. Ash has another battle with Gladion and loses. Nebby is revealed to know Supersonic.
Night of a Thousand Poses!	Lillie becomes unable to touch any Pokémon again after encountering Gladion's Silvally.
Mission: Total Recall!	Team Rocket resigns as Aether Foundation Employees and leaves Faba. Gladion's Silvally breaks free of its mask, revealing its true form. Lillie remembers the incident that made her afraid of touching Pokémon. Lillie overcomes her fear, becoming able to touch all Pokémon once again.
Faba's Revenge!	Faba manages to kidnap Nebby. Nebby evolves into Cosmoem. Faba summons a Nihilego through an Ultra Wormhole. Lusamine protects her children from Nihilego, causing it to take her into the Ultra Wormhole.
Family Determination!	Lillie changes her outfit. Lillie and Gladion leave for Poni Island together to look for a way to save Lusamine. Ash, his classmates, and Professor Kukui decide to follow Lillie and Gladion to Poni Island. Ash visits Poni Island for the first time. Ash encounters the guardian deities of Ula'ula Island and Poni Island, Tapu Bulu and Tapu Fini, for the first time.
Revealing the Stuff of Legend!	Professor Kukui is revealed to own a Braviary. Nebby evolves into Solgaleo. Ash obtains a Solganium Z. The guardian deities upgrade Ash's Z-Ring into a Z-Power Ring. Ash, his classmates, and Gladion enter an Ultra Wormhole with Solgaleo in search of Lusamine. In the process, Ash and Nebby perform Searing Sunraze Smash for the first time.
Rescuing the Unwilling!	Ash, his classmates, and Gladion arrive in Ultra Deep Sea and find Lusamine there, only to discover she has fused with Nihilego. Kiawe's Marowak is revealed to know Bonemerang. Nebby uses Sunsteel Strike for the first time. Ash and his friends battle Lusamine. Lusamine is revealed to own a Salazzle, a Milotic, a Lilligant, a Mismagius, and an Absol. Kiawe splits from the group to battle Lusamine's Salazzle and wins. Lana, Mallow, and Sophocles, along with Rowlet and Litten, split from the group to battle Lusamine's Milotic, Lilligant, and Mismagius. Gladion splits from the group to battle Lusamine's Absol. Lillie, along with Lycanroc, split from the group to battle Lusamine's Clefable and free her from Nihilego's control.
10,000,000 Reasons to Fight!	Ash's Electrium Z temporarily changes into a Pikashunium Z. Ash and Pikachu perform 10,000,000 Volt Thunderbolt for the first time. Ash and Pikachu defeat Lusamine, freeing her and her Pokémon from Nihilego's control. Ash, his classmates, Gladion, Lusamine, and Nebby return to their own world.
The Professors' New Adventure!	Nebby is revealed to have returned to the wild. Lillie switches back to her original clothing. Professor Kukui proposes to Professor Burnet, and she accepts. Professors Kukui and Burnet get married. Lusamine, Wicke, and Faba invite Ash and his classmates to join the "Ultra Guardians" task force to deal with any future Ultra Beast incidents, which they accept.
Fighting Back the Tears!	James tries and fails to catch a Frillish. James tries to release Mareanie, but Mareanie chooses to stay with him.
Tasting the Bitter with the Sweet!	Lana and Mallow recall how they first met each other.
Getting a Jump on the Competition!	Ash visits Ula'ula Island for the first time. Hala's Crabrawler evolves into Crabominable. Snowy is revealed to know Hail and learns Aurora Veil.
A Mission of Ultra Urgency!	A Poipole emerges from an Ultra Wormhole and starts following Ash's Pikachu. Ash and his classmates go on their first Ultra Guardians mission. Rotom is updated with data about the known Ultra Beasts. The Ultra Guardians catch a Buzzwole and release it back into Ultra Space.
Acting True to Form!	James is revealed to own a Great, Ultra, Premier, Dusk, Heal, and Quick Ball. Team Rocket learns that they need a Z-Ring in order to use their Darkinium Z. An Alolan Meowth joins Team Rocket and travels to the Team Rocket HQ in Kanto, where it is appointed as Matori's assistant.
Pushing the Fiery Envelope!	Ash learns about Battle Royals and the Masked Royal. Professor Kukui is revealed to own an Incineroar, a Z-Ring, and an Incinium Z. Ash, the Masked Royal, Sophocles, and Kiawe participate in a Battle Royal and the Masked Royal wins. Ash's Litten starts to learn Flame Charge. Ash's Litten evolves into Torracat and masters Flame Charge. Ash has a Single Battle with the Masked Royal and loses.
Turning Heads and Training Hard!	Ash and Lillie meet Ilima for the first time. Ash challenges Ilima to a battle, but they are interrupted by the arrival of Team Skull before the battle can properly begin.
Smashing with Sketch!	Ilima heads back to Kalos.
Love at First Twirl!	Ash and his classmates meet the Poipole that has been following them for the first time. Ash catches Poipole to take care of it until the location of its Ultra Wormhole is discovered.
Rise and Shine, Starship!	Ash and his classmates go on their second Ultra Guardians mission. The Ultra Guardians try and fail to capture a Celesteela, due to it being rooted down at the time. The Ultra Guardians help free the Celesteela from being trapped underground, allowing it to fly back home.
The Young Flame Strikes Back!	Kiawe's Marowak performs Inferno Overdrive for the first time.
Sours for the Sweet!	Ash and Lillie meet Ulu, Mallow's older brother, for the first time.
Why Not Give Me a Z-Ring Sometime?	James's Mareanie learns Knock Off. Team Rocket receives a Z-Power Ring from Nanu. James and Mareanie perform Black Hole Eclipse for the first time. Jessie receives a Mimikium Z from Acerola's Mimikins. Ash heads to Ula'ula Island to participate in his third grand trial.
Tough Guy Trials!	Professor Kukui is revealed to have told Ash and his classmates about the Pokémon League he's establishing in Alola. Ash arrives at Ula'ula Island and meets Island Kahuna Nanu and Acerola for the first time. Ash and Team Rocket learn about the legend of the "Blinding One". Ash's Lycanroc goes berserk again. Ash battles Nanu and loses. Acerola agrees to help Ash train for a rematch with Nanu.
Some Kind of Laziness!	Ash's Rowlet learns Razor Leaf. Team Rocket learns the pose for Mimikyu's Z-Move. Ash's Lycanroc overcomes its habit of going berserk whenever its fur gets wet or dirty. Ash's Lycanroc learns Stone Edge.
A Battle Hand-Off!	Jessie's Mimikyu is revealed to have Disguise as its Ability. Jessie and Mimikyu perform Let's Snuggle Forever for the first time. Ash's Pikachu learns Electroweb. Ash clears the Thrifty Megamart trial, becoming qualified to challenge Nanu's grand trial.
Guiding an Awakening!	Ash's Lycanroc is revealed to have gained control of its red-eyed state, allowing it to be used as a temporary power boost. Ash's Lycanroc learns Counter. Ash battles Nanu in the Ula'ula Island grand trial and wins, earning a Lycanium Z as a reward. Ash leaves Ula'ula Island and returns to Melemele Island to rejoin his classmates.
Twirling with a Bang!	Ash and his classmates go on their third Ultra Guardians mission. Ash and Lycanroc perform Splintered Stormshards for the first time. The Ultra Guardians catch a Blacephalon and a Xurkitree and release them back into Ultra Space.
Showering the World with Love!	Ash and his classmates travel to Ula'ula Island to visit Hokulani Observatory. Ash, Kiawe, Mallow, Lana, and Lillie meet Molayne for the first time.
Not Caving Under Pressure!	Lillie receives an Icium Z from a wild Alolan Sandslash. Sophocles gives Lillie an Ice Stone found by his Charjabug. Lillie offers the Ice Stone to Snowy, but it refuses to evolve for the time being. Lillie decides to keep the Ice Stone in case Snowy changes its mind. Ash and his classmates travel back to Melemele Island.
SM081	Ash's Torracat learns Revenge.
SM082	Mallow's Steenee learns Stomp, evolves into Tsareena, and learns Trop Kick.
SM084	Ash's Poipole learns Fury Attack. Ash and his classmates meet Mina for the first time. Ash uses Poipole in a battle for the first and only time.
SM085	Ash and his classmates go on their fourth Ultra Guardians mission. The Ultra Guardians catch a Stakataka and release it back into Ultra Space.
SM087	A small Ultra Wormhole opens above the Altar of the Sunne, covering Alola with dark clouds and draining the region of its Ultra Aura, causing all adults to lose their energy and motivation, and draining Z-Moves of their power. Ash learns about the Manalo Festival. A special Team Rocket unit led by Matori, called "Matori Matrix", heads to Alola on Giovanni's orders. Ash and his classmates go on their fifth Ultra Guardians mission. The Ultra Guardians travel to the Altar of the Sunne. Gladion is revealed to have joined the Ultra Guardians and acquired a Z-Power Ring. A Lunala appears from the Ultra Wormhole above the Altar of the Sunne, followed by Necrozma.
SM088	The Ultra Guardians follow Lunala and Necrozma to Melemele Island to protect the former from the latter. Necrozma fuses with Lunala. Team Rocket's Matori Matrix attempts to capture Necrozma, but fails. Nebby appears through an Ultra Wormhole and helps Lunala separate from Necrozma. Nebby is revealed to have learned Sunsteel Strike. The Matori Matrix attempts to capture Nebby and Lunala, but are stopped by Ash and Gladion. Necrozma fuses with Nebby and escapes through an Ultra Wormhole, stopping its absorption of Alola's Ultra Aura, resulting in the recovery of the energy and motivation of the region's adults. Lunala is brought to the Ultra Guardians base to recover. The Aether Foundation, considering Necrozma an Ultra Beast, gives it the codename "UB:BLACK". Faba informs the Aether Foundation and the Ultra Guardians about the Team Rocket group that is trying to capture Nebby and Lunala. Using the Z-Power of Ash, Kiawe, Lana, and Gladion's Z-Rings, Lunala is able to restore itself.
SM089	The Ultra Guardians travel to Poipole's home world through an Ultra Wormhole created by Lunala. The Ultra Guardians learn UB:BLACK's official name and its connection to Poipole's home world. Naganadel reveals that Ash's Poipole came to Alola to find a better place for it and its hive to live. Professor Kukui and Faba confront the Matori Matrix and start battling against Gozu at Ten Carat Hill. Gladion is revealed to own a Normalium Z. Ash, Lana, Kiawe, and Gladion each use a Z-Move in a combined attack to release Nebby from Necrozma's absorption and to give Necrozma enough Ultra Aura to turn it back into its Ultra form.
SM090	The Ultra Guardians' attempt to make Necrozma separate from Nebby by using their Z-Moves fails, as it instead absorbs the Z-Power to power itself up. Professor Kukui defeats Gozu, but at the cost of revealing to Faba that he is the Masked Royal. Professor Kukui asks Faba to keep his identity a secret from his students. The Matori Matrix attempts to travel to Ultra Space through an Ultra Wormhole, but are stopped by Tapu Koko, forcing them to retreat. Necrozma reverts back to its normal form, thus separating from Nebby, after it gathers the light sent to it by the Ultra Guardians, their Pokémon, and all of the people and Pokémon of Alola. Gladion receives a Lunalium Z from Lunala. Ash and Gladion perform Nebby and Lunala's Z-Moves, respectively, to give Necrozma enough Ultra Aura and revert it back to its original Ultra form. Necrozma brings the light back to Poipole's home world, restoring it to its former state. Poipole chooses to stay in its home world, so Ash leaves it behind. The Ultra Guardians, Nebby, and Lunala return to Alola.

See also

• List of anime episodes
• History of the Pokémon world

This article is part of Project Anime, a Bulbapedia project that covers all aspects of Pokémon animation.