Kip. 25: A Festival Reunion!

25

Ash returns to the Kalos Region with Goh to compete in the Battle Festival, in which a lot of the participants are also competing in the World Coronation Series. During the competition, while Goh, as usual, is out catching new Pokémon. In a World Coronation Series Ranking Match, Ash comes face to face with an old opponent and friend: Gym Leader Korrina and her Lucario! It is a two-on-two battle, with Ash's Gengar and Dragonite vs. Korrina's Mienshao and Lucario! Ash and his new team of Pokémon must find a way to battle through and emerge victorious, while Goh witnesses Mega-Evolution for the first time. (Source: Wikipedia)