XY131: Down to the Fiery Finish!

- (カロスリーグ優勝！ サトシ頂上決戦！！) is the 38th episode of Pokémon the Series: XYZ.

Synopsis
Ash and Alain get down to their last Pokémon to win the Kalos League, As their battle reaches a climax, Greninja reaches a new level of power that surpasses even that of Alain's Charizard! Meanwhile. a certain team gets ready for a devastating attack!