Pokémon: Diamond and Pearl · Sinnoh League Victors arc
DP189 · The Semi-Final Frontier!
シンオウリーグ準決勝！ダークライ登場！！
Synopsis
What happens.
Ash is up against Tobias, the Trainer who managed to defeat all the Sinnoh Gym Leaders and all the other competitors in the Lily of the Valley Conference using only his Darkrai. As the battle commences, Tobias sends out Darkrai to battle first, while Ash sends out his Heracross.
Synopsis adapted from Bulbapedia's DP189 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 · 17
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.