Pokémon: Diamond and Pearl · Sinnoh League Victors arc
DP173 · Dealing with a Fierce Double Ditto Drama!
メタモン・へんしんバトル！本物はドッチ～ニョ！？
Synopsis
What happens.
Ash and his friends are in a clearing near the Valor Lakefront, doing some last minute training (Dawn for the Grand Festival and Ash for his battle against Volkner). Dawn orders Piplup to use Whirlpool while Ash tells Gible to use Draco Meteor.
Synopsis adapted from Bulbapedia's DP173 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.