Pokemon Best Wishes! Season 2: Decolora Adventure - episode 18 - 11 Sep, 2013

Chili and Cress meet up with Cilan on Paladin Island as they have both been beaten by a challenger at the Striaton Gym named Morana who exclusively uses Ice-type Pokémon such as Mamoswine and Glalie. It is up to Cilan and Pansage to face off against Morana and her Abomasnow for the honor of the Striaton City Gym. (Source: Wikipedia)