Pokémon: Diamond and Pearl · Sinnoh League Victors arc
DP167 · Teaching the Student Teacher!
海辺のポケモンスクール！
Synopsis
What happens.
With Ash's battle at the Sunyshore Gym being postponed, he and his friends head over to Valor Lakefront where Dawn will compete in the Sinnoh Grand Festival. The gang arrive at an unnamed seaside town following Dawn's insistence.
Synopsis adapted from Bulbapedia's DP167 entry, used under CC-BY-NC-SA 2.5.
Story arc · DP158-DP193
Sinnoh League Victors.
Lily of the Valley Conference. Ash defeats Paul in the quarterfinals (the franchise's most-cited rival victory). Falls to Tobias's Darkrai then Latios in the semifinals. Cast splits at the end.
Read the full Diamond & Pearl guidePokémon featured · 19
Who appears.
Linked entries open the species page on the Pokédex. Items without a sprite (alternate forms, regional variants, generic group references) fall back to a name pill.
More from this arc
Other episodes in Sinnoh League Victors.
Episode synopsis from Bulbapedia, CC-BY-NC-SA 2.5. Editorial context (arc affiliation, cultural moments, character signatures) hand-verified May 2026. Pokémon, character names, and series titles © Nintendo, Game Freak, Creatures Inc., The Pokémon Company, OLM Inc. This is an unofficial fan reference.