Pokémon XY & Z is the ninteenth overall season and the third season of the Pokémon XY series. It features Ash Ketchum, his Pikachu, the two siblings from Lumiose City, Clemont and Bonnie, and his old childhood friend, Serena as they continue their adventures in the Kalos region, catching new Kalos Pokémon, and learning more new secrets of Mega Evolution.