Pokémon X and Pokémon Y trailer. br Shop CGR t-shirts and mugs! br br Classic Game Room’s CGR Trailers presents a “Mega Evolution” reveal trailer for POKÉMON X AND POKÉMON Y. This trailer shows some of the brand new features that will be included in both Pokémon X and Y. Mega Evolve is a special form of evolution that particular Pokémon can undergo when in the heat of battle. Pokémon X and Pokémon Y will be released on October 12, 2013 for the Nintendo 3DS. This is the PEGI version of the trailer.