* Music from ''[[M08|Lucario and the Mystery of Mew]]'' is used as background music in this episode.
* Music from ''[[M08|Lucario and the Mystery of Mew]]'' is used as background music in this episode.
* The dub title is a reference to the first line of {{wp|Robert Frost}}'s poem "{{wp|The Road Not Taken (poem)|The Road Not Taken}}", "''Two roads diverged in a yellow wood.''"
* The dub title is a reference to the first line of {{wp|Robert Frost}}'s poem "{{wp|The Road Not Taken (poem)|The Road Not Taken}}", "''Two roads diverged in a yellow wood.''"
* {{MTR}}'s [[Boss fantasy]] in this episode is the last one before the {{series|Best Wishes!}} and could possibly be the last ever for the {{pkmn|anime}}.
* {{MTR}}'s [[Boss fantasy]] in this episode is the last one before the {{series|Best Wishes}} and could possibly be the last ever for the {{pkmn|anime}}.
Four Roads Diverged in a Pokémon Port! (Japanese: サトシＶＳケンゴ！それぞれの船出！！Satoshi VS Kengo! Sailing for Respective Roads!!) is the 180th episode of the Diamond & Pearl series, and the 646th episode of the Pokémon anime. It aired in Japan on June 10, 2010 and in the United States on November 6, 2010.
Spoiler warning: this article may contain major plot or ending details.
As of this episode, half of the Johto Gym Leaders have appeared in the Diamond & Pearl series, though Jasmine is the only one who has appeared in person.
Aside from her, only Clair has been seen in her Generation IV outfit, with Whitney and Morty appearing in their Generation II designs. Jasmine is also shown in her Generation II outfit in flashbacks in this episode.
In Flint's flashback in Flint Sparks the Fire!, he shows that his Infernape was still a Chimchar when he grew up. However, his flashback in this episode shows that it had evolved into a Monferno when he was still a kid.
When Kenny's Empoleon used Metal Claw and Buizel used Ice Punch Empoleon's chest was colored blue.
When Piplup turns around at the ferry station his beak is the same color as his body.
