Continuity mistake: When James says that the Ursaring are after him, Meowth, and Misty, Misty's bag is on both of her shoulders. But in the next shot, it is only on her right shoulder. (00:05:40)
Continuity mistake: When Misty, James, and Meowth first have to decide, Misty's bag disappears. (00:06:31)
Continuity mistake: When Jessie asks if the food is ready, her gloves change from not covering her sleeves to covering them. (00:07:13)
Other mistake: When Brock says that he, Ash, and Jessie should set up camp for the night, light is present despite Brock not having set up the campfire yet. (00:06:54)
Continuity mistake: After James says that he and Meowth do not need to worry about Jessie, pads appear on Meowth's forepaws. (00:06:15)
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 says that she loves the circus, the back of Ash's hat changes from red to white. (00:06:02)
Continuity mistake: When the Ledyba swing Arbok into Lickitung and Victreebel, the inside of the rings on Lickitung's knees changes from pink to yellow. (00:18:36)
Continuity mistake: When Lickitung uses Supersonic, Misty's bag disappears. (00:09:27)
Revealing mistake: After Meowth tells his plan to Team Rocket, part of the rope Jessie is holding is missing. (00:01:46)
Continuity mistake: When Team Rocket starts flying with the Ledyba, the tips on Meowth's feet disappear. (00:14:24)
Continuity mistake: When Lickitung and Victreebel approach Ash and his friends, Misty's suspenders disappear. In the same shot, her bag switches from her right shoulder to her left. (00:17:47)
Continuity mistake: When Ash says that there has to be another way to cross the river, the white stripe on his bag disappears. (00:02:46)
Continuity mistake: When Ash and his friends watch the Ledyba fly away, Misty's bag is on her right shoulder, but in the next shot, it is on her left. (00:10:15)
Revealing mistake: When Ash's friends run over to him, as he dives into the pool, Pikachu can be running in midair. (00:14:27)
Attack of the Prehistoric Pokemon - S1-E44
Continuity mistake: When Ash and his friends are surprised, Charmeleon starts evolving. The black straps on Brock's bag turn green like his vest. (00:15:44)
Continuity mistake: When Ash and friends are first at the Pokémon Center, they are near a puddle towards the end, with Ash almost about slip on it, but in the next shot, they have moved to being far enough away where he is not about to slip on it. (00:06:07)
Pupurin Twins vs Purin! Singing Pokémon Concert! - S5-E34
Continuity mistake: When the camera pans up as the Pokédex is giving facts on Igglybuff, Brittany is behind the Igglybuff twins, but in the next shot, she disappears. (00:02:27)
Yadon's Comprehension! Satoshi's Comprehension! - S5-E35
Continuity mistake: When Team Rocket responds after first being surprised by Madeleine, Jessie's right hand is lowered, but in the next shot, it is raised. (00:04:44)
Team Rocket and Delibird! - S5-E22
Continuity mistake: When Ash uses his Pokédex, the border around the screen and the portion below the light are grey, but in the next shot, they are red. (00:15:22)
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.