Ash is alone in the forest after losing at the Snowbelle Gym. Serena tracks him down, but they end up in a shouting match, and she runs off after angrily telling Ash to start acting like himself again! Soon, a snowstorm sets in, and Ash takes shelter in a cave with some frightened Pokémon. He gets into trouble while trying to help a stranded Spewpa—but Greninja shows up just in time, and then shifts effortlessly into Ash-Greninja to rescue Spewpa! When our heroes reunite, Ash promises not to overdo it again—a promise Greninja soon has to enforce when Ash learns the Kalos League is coming to Lumiose City! (thetvdb.com)