Dance, Waninoko! The Steps of Love!! - S3-E37
Continuity mistake: When Trixie says that she loves the circus, the back of Ash's hat changes from red to white. (00:06:02)
Dance, Waninoko! The Steps of Love!! - S3-E37
Continuity mistake: When Brock proposes to Trixie, Trixie's wristband disappears. (00:04:41)
Dance, Waninoko! The Steps of Love!! - S3-E37
Continuity mistake: When Trixie turns when Ash uses his Pokédex to find facts on Azumarill, she does not have the green band on her left wrist, but when Totodile collapses when meeting up with Azumarill, she suddenly has it. (00:05:35)
Dance, Waninoko! The Steps of Love!! - S3-E37
Continuity mistake: When Misty says, "Don't forget to always swim with a buddy!" there are no rocks close to the grass, but in the next shot, there are two. (00:01:36)
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.