During the run of Pokémon XY, the anime created a side series known as the "Mega Evolution Specials". These specials followed a trainer known as Alain, who fought with a Mega Charizard and aimed ...
and Z’ fitting neatly into the end of the Pokemon XY series arc. The order of those specials are: Mewtwo Returns (Johto League) Pokemon Chronicles: The Legend of Thunder (Master Quest ...
Additionally, X & Y added, "Mega Evolution," which allowed 30 fully evolved Pokemon to take an additional step of development. The important question for fans, however, remained the same.