Enter Manene! Mansion of Rest! - S9-E2
Continuity mistake: When Ash and his friends agree to not reveal that James is part of Team Rocket, Ash's black sleeves turn blue. (00:08:16)
Enter Manene! Mansion of Rest! - S9-E2
Other mistake: When the camera zooms to show Chimecho and Munchlax on beds for the first time, Munchlax's left foot is mistakenly coloured blue instead of yellow with its pad mistakenly coloured yellow instead of brown. (00:08:42)
Enter Manene! Mansion of Rest! - S9-E2
Continuity mistake: When the camera pans to show Chimecho and Munchlax on beds for a second time, Munchlax's feet are mistakenly coloured blue instead of yellow. (00:11:24)
Enter Manene! Mansion of Rest! - S9-E2
Other mistake: When James says, "Besides, I'll stay here tonight and keep an eye on things," Munchlax's feet are mistakenly coloured blue instead of yellow. (00:11:44)
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.