Pokémon: Diamond and Pearl · Galactic Battles arc
DP146 · Dressed for Jess Success!
ポケモンコンテスト！スイレン大会！！
Synopsis
What happens.
Jessie finds herself sick on the day the Lilypad Contest is about to begin. To help his friend, James disguises himself as Jessilina and takes her place while she remains in bed. Meanwhile, Dawn makes the decision to use Mamoswine in the battle round.
Synopsis adapted from Bulbapedia's DP146 entry, used under CC-BY-NC-SA 2.5.
Story arc · DP105-DP157
Galactic Battles.
Team Galactic captures the Lake Guardians (Uxie, Mesprit, Azelf). Cyrus tries to remake reality. Climax features Champion Cynthia confronting Cyrus in person.
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 Galactic Battles.
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.