List of animated series Pokémon by Evolution

The Pokémon of Ash Ketchum, Misty, May, Dawn, Brock, Tracey, Jessie, and James listed by speed of evolution.

Spoiler warning: this article may contain major plot or ending details.

	Pokémon	Duration	Difference	Circumstances
→	Ash's Caterpie → Metapod	EP003 → EP003	0 episodes	After defeating Jessie's Ekans and James's Koffing
→	Ash's Metapod → Butterfree	EP003 → EP004	1 episodes	Protecting Ash from wild Beedrill
→	Ash's Charmeleon → Charizard	EP043 → EP046	3 episodes	Fighting a wild Aerodactyl
→	May's Silcoon → Beautifly	AG024 → AG028	4 episodes	Along with Jessie's Cascoon
→	Jessie's Cascoon → Dustox	AG024 → AG028	4 episodes	Along with May's Silcoon
→	May's Wurmple → Silcoon	AG014 → AG024	10 episodes	Along with Jessie's Wurmple
→	Jessie's Wurmple → Cascoon	AG014 → AG024	10 episodes	Along with May's Wurmple
→	Ash's Starly → Staravia	DP002 → DP013	11 episodes	Fighting Team Rocket
→	Ash's Snorunt → Glalie	AG108 → AG123	15 episodes	After learning Ice Beam
→	James's Koffing → Weezing	EP002 → EP031	29 episodes	Out of love for James Along with Jessie's Ekans
→	Jessie's Ekans → Arbok	EP002 → EP031	29 episodes	Out of love for Jessie Along with James's Koffing
→	Brock's Golbat → Crobat	EP165 → EP196	31 episodes	Fighting Team Rocket
→	Ash's Charmander → Charmeleon	EP011 → EP043	32 episodes	After fighting a group of berserker Exeggutor
→	Misty's Poliwag → Poliwhirl	EP110 → EP151	41 episodes	Fighting Ash's Bulbasaur
→	Brock's Lombre → Ludicolo	AG063 → AG105	42 episodes	Pulled a Water Stone out of Samantha's bag
→	Brock's Bonsly → Sudowoodo	AG156 → DP014	49 episodes	After escaping Team Rocket
→	Brock's Lotad → Lombre	AG012 → AG063	51 episodes	After falling into a well
→	Ash's Treecko → Grovyle	AG007 → AG066	59 episodes	Fighting Guy's Loudred
→	Ash's Krabby → Kingler	EP013 → EP075	62 episodes	Fighting Mandi's Exeggutor
→	Ash's Chikorita → Bayleef	EP126 → EP199	73 episodes	Protecting Ash from Team Rocket
File:190f.png → File:424f.png	Dawn's Aipom → Ambipom	AG178 → DP060	73 episodes	Protecting Dawn from a group of Unown shortly after learning Double Hit
→	Ash's Taillow → Swellow	AG004 → AG080	76 episodes	Competing against Jessie's Dustox in PokéRinger
→	Ash's Pidgeotto → Ash's Pidgeot	EP003 → EP081	78 episodes	Protecting Ash from a Fearow and flock of Spearow
→	May's Torchic → Combusken	AG001 → AG082	81 episodes	Fighting a wild Breloom
→	Ash's Grovyle → Sceptile	AG066 → AG161	95 episodes	Fighting Team Rocket
→	Misty's Poliwhirl → Politoed	EP151 → EP247	96 episodes	Took Ash's King's Rock and then transferred between Pokémon Centers.
→	May's Combusken → Blaziken	AG082 → AG190	108 episodes	Fighting Team Rocket
→	Brock's Pineco → Forretress	EP143 → EP259	116 episodes	Protecting wild Pokémon from Team Rocket
→	Brock's Mudkip → Marshtomp	AG025 → AG148	123 episodes	Fighting Ash's Grovyle
→	Brock's Zubat → Golbat	EP006 → EP165	159 episodes	Fighting Team Rocket
→	Ash's Phanpy → Donphan	EP230 → AG154	198 episodes	Fighting a Team Rocket mecha
→	Misty's Togepi → Togetic	EP050 → AG045	269 episodes	Protecting a group of Togepi from Colonel Hansen
→	Brock's Onix → Steelix	EP005 → AG176	445 episodes	Training from Forrest.
	Ash's Gligar	DP064 →
	Ash's Buizel	DP034 →
	Brock's Happiny	DP033 →
	Dawn's Buneary	DP009 →
	Brock's Croagunk	DP008 →
	Ash's Turtwig	DP005 →
	Ash's Chimchar	DP003 →
	Dawn's Piplup	DP001 →
	May's Eevee	AG157 →
	James's Mime Jr.	AG147 →
	May's Squirtle	AG133 →
	Misty's Azurill	AG132 →
	May's Munchlax	AG117
	May's Bulbasaur	AG073 →
	May's Skitty	AG047 →
	Ash's Corphish	AG023 →
	James's Cacnea	AG006 →
	Ash's Totodile	EP151 →
	Ash's Cyndaquil	EP141 →
	Tracey's Scyther	EP097 →
	Tracey's Marill	EP087 →
	Tracey's Venonat	EP084 →
	Brock's Vulpix	EP028 →
	Misty's Psyduck	EP027 →
	Misty's Horsea	EP019 →
	Ash's Squirtle	EP012 →
	Ash's Bulbasaur	EP010 →		Does not want to evolve.
	Misty's Staryu	EP006 →
	Brock's Geodude	EP005 →
	Misty's Goldeen	EP002 →
	Meowth	EP002 →		Believes he cannot evolve.
	Ash's Pikachu	EP001 →		Does not want to evolve.

See also

• Evolution