After accepting an invitation from a mysterious trainer, Ash, Misty and Brock meet Mewtwo, an artificially created Pokémon who wants to do battle. Dan Green, Sarah Natochenny, Bill Rogers, Michele Knotz, Alyson Leigh Rosenfeld, Rodger Parsons, Sarah Natochenny, Dan Green, Bill Rogers, Michele Knotz, Alyson Leigh Rosenfeld, Rodger Parsons Added on Netflix 2023-06-13.