Haunter Versus Kadabra - S1-E24
Continuity mistake: When Brock tells Sabrina to turn him and Misty back into humans, his left sleeve changes from orange to green. (00:13:57)
Haunter Versus Kadabra - S1-E24
Continuity mistake: When Team Rocket removes their disguises, James' gloves disappear. (00:10:06)
Haunter Versus Kadabra - S1-E24
Continuity mistake: When Ash is looking at the photo of Sabrina, his glove disappears. (00:08:22)
Haunter Versus Kadabra - S1-E24
Continuity mistake: When Ash says that Misty and Brock are dolls, the dolls of Misty and Brock are on the ground, but a shot later, they have disappeared. (00:06:42)
Haunter Versus Kadabra - S1-E24
Continuity mistake: When the camera pans across Ash and friends as they look at the Saffron City Gym, Ash is smiling, but in the next shot, he is not. (00:02:53)
Haunter Versus Kadabra - S1-E24
Continuity mistake: When Ash says that there is nothing to worry about, there is a blue building to the left of Ash's left shoulder, but in the next shot, the building is yellow. (00:04:00)
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.