37화: 코라나와의 체육관 대결을 위해 프리카와와 하와루샤와 함께 훈련하던 중 아시가 트레번트에 납치당한다.

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While practicing for his upcoming Gym battle against Korrina with Hawlucha, Froakie, and Clemont, Ash is kidnapped by the Elder Tree Pokémon Trevenant, leaving Froakie and Hawlucha to trust each other in saving Ash, as Trevenant keeps the others at bay with its power over the forest. (Source: Wikipedia)