Continuity mistake: In several shots throughout the episode, the black straps on Tracey's bag turn orange.
Continuity mistake: When Meowth says that he will use The Crystal Onix to make a charm, his white claws turn cream, like his body. (00:16:51)
Continuity mistake: When the Officer Jennys say that the news reporters are Team Rocket, Meowth's disguise disappears. (00:12:31)
Continuity mistake: When Daisy says that the Sensational Sisters have been performing for so long that they no longer get large crowds, Ash's left glove disappears. (00:04:38)
Attack of the Prehistoric Pokemon - S1-E44
Continuity mistake: When Jigglypuff notices that everyone fell asleep, Pikachu's tail changes from yellow with a brown base to brown with a yellow base. (00:18:24)
Attack of the Prehistoric Pokemon - S1-E44
Continuity mistake: When Ash says that Charmeleon still will not obey him, the green straps on his bag turn blue like his jacket. (00:11:06)
Attack of the Prehistoric Pokemon - S1-E44
Continuity mistake: During Team Rocket's motto, James' purple belt briefly turns white, like his trousers. (00:04:04)
Continuity mistake: When Dr. Proctor says that he has been unable to refuse requests from young girls, the yellow clips on Misty's suspenders turn red like the suspenders. (00:03:22)
The March of the Exeggutor Squad - S1-E41
Continuity mistake: When Ash recalls Bulbasaur and Squirtle, his right glove disappears. (00:17:02)
Showdown at Dark City - S1-E40
Continuity mistake: When Kaz sends out his Electabuzz during the final fight, the red "K" on his shirt turns blue like the rest of the shirt. (00:12:40)
Showdown at Dark City - S1-E40
Continuity mistake: When Yas first tells his Scyther to attack, the clips on his uniform disappear. (00:04:03)
Continuity mistake: When Ash tells the baker that he wants some bread, the left strap of his bag changes from green to white. (00:03:48)
Continuity mistake: In the shot after the title card, Ash's bag disappears. (00:02:42)
Continuity mistake: When Ash is surprised after the hippie tells him and his friends to leave, one of Pikachu's cheek pouches disappears. (00:02:34)
Continuity mistake: At the beginning of the episode, Brock's black belt turns green. (00:01:15)
Ditto's Mysterious Mansion - S1-E36
Continuity mistake: When Duplica says that she will be taking her Ditto back from Team Rocket, the white trousers on Brock's disguise turn brown, like the trousers he usually wears. (00:15:53)
Ditto's Mysterious Mansion - S1-E36
Continuity mistake: When Duplica goes over to her wardrobe to change into a Nurse Joy costume, the red brim of her Ash costume turns white. (00:06:02)
Ditto's Mysterious Mansion - S1-E36
Continuity mistake: When Ditto, as a Bulbasaur, uses Vine Whip, it is briefly drawn with nostrils, even though it had not mastered changing its face at this point. (00:05:22)
Ditto's Mysterious Mansion - S1-E36
Continuity mistake: When Ash's Bulbasaur uses Razor Leaf, its nostrils disappear, while the inside of its eyes changes from white to black. (00:05:16)
Sparks Fly for Magnemite - S1-E30
Continuity mistake: Several times near the end of the episode, Misty's bag disappears. (00:19:18 - 00:19:52)
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.