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)
Sparks Fly for Magnemite - S1-E30
Continuity mistake: When Ash and his friends are outside the power plant near the end of the episode, they do not have their bags with them, but when Misty mentions that the Magnemite is no longer interested in Pikachu, they appear. In addition, Ash's belt changes from brown with a grey buckle to grey with a brown buckle. This also happens when they laugh after Ash mentions that the Magnemite will not follow Pikachu anymore. (00:17:37 - 00:18:22)
Sparks Fly for Magnemite - S1-E30
Continuity mistake: When Ash is shocked by Pikachu for the second time, his and Officer Jenny's gloves disappear. (00:07:06)
Continuity mistake: When Jessie says that Team Rocket has their Fighting Pokémon, her black glove turns skin-colour. (00:08:01)
Primeape Goes Bananas - S1-E25
Continuity mistake: When Ash catches Primeape, Pikachu's tail changes from yellow with a brown base to brown with a yellow base. (00:18:23)
Pokemon Fashion Flash - S1-E28
Continuity mistake: When Team Rocket blasts off, Ekans' purple bands turn yellow. (00:17:42)
Pokemon Fashion Flash - S1-E28
Continuity mistake: When Thunder Shock fails to work on Koffing and Ekans, the stripe on Ekans' underbelly disappears. This also happens when they trip over their outfits. (00:16:30)
Pokemon Fashion Flash - S1-E28
Continuity mistake: When Thunder Shock fails to work on Koffing and Ekans, Ekans' yellow rattle turns purple like the rest of its body. (00:16:30)
Pokemon Fashion Flash - S1-E28
Continuity mistake: When Suzie says that the Pokémon's inner beauty matters, the front of Ash's hat changes from white to red. (00:14:37)
Pokemon Scent-sation! - S1-E26
Continuity mistake: When Jessie opens the bottle of perfume at the end of the episode, Meowth's cream-coloured forepaws turn orange. (00:20:03)
Continuity mistake: When Brock tells two boys to tell him everything they know, his blue bag turns green like his vest. (00:04:42)
Continuity mistake: When Jessie says that the sleep waves are coming from the town, her left glove disappears. (00:07:26)
Continuity mistake: When Officer Jenny says that she and her friends should find the source of the sleep waves, her left glove disappears. (00:07:19)
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.