Aim to Be a Metamon Master! Imite - S4-E17
Revealing mistake: When Pikachu joins the fight against Team Rocket, he passes through Mini-Dit. (00:15:51)
Aim to Be a Metamon Master! Imite - S4-E17
Revealing mistake: At the beginning of Team Rocket's motto and shortly after, James appears to be floating in midair. (00:06:49 - 00:07:30)
Aim to Be a Metamon Master! Imite - S4-E17
Continuity mistake: At one point during Team Rocket's motto, when James says that Team Rocket came to steal Pokémon, the right glove on his disguise disappears. (00:06:56 - 00:07:20)
Aim to Be a Metamon Master! Imite - S4-E17
Continuity mistake: At the beginning of the match between Ash and Duplica, Ash's white sleeve turns blue. (00:05:07)
Answer: He is a good guy but just found himself in a bad situation when he worked for Lysander. He didn't want him to harm Ash and his Pokémon when he was trying to get the special bond between Ash and his Greninja to work. He does leave Lysander and go back to being a good person.