Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When Caterpie emerges from the laboratory, Brock and Max have their bags, but in the next shot, they disappear. Also, May is behind Brock, but in the next shot, she is in front of him. Additionally, Dr. Gordon is in the back of the group, but in the next shot, he is in the front of it. (00:09:16)
Taming of the Shroomish - S6-E9
Continuity mistake: When May says, "No, Max, it's the wonderful scent of the big city," Pikachu's left forepaw is not only on Ash's hoodie, but in next shot, it is. Also, there is no gap between Ash and Brock, but in the next shot, there is. (00:00:12)
Continuity mistake: When May says, "It looks like Treecko might be feelin' a little weird around all our other Pokémon," there is a tree nearby, but in the next shot, there is not. (00:00:40)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When Caterpie goes to the source of the suspicious activity, it faces Zander, but in the next shot, it faces away from him. Also, Ash's marks go from being absent to being present. (00:05:41)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When two people stop on a bridge to watch Caterpie, the man with the blue jacket has his body facing away from Caterpie, but in the next shot, it faces towards it. (00:09:40)
Mystery at the Lighthouse - S1-E13
Continuity mistake: When Ash asks Professor Oak if Krabby is all right, Professor Oak's coat goes from white to red with the pot going from brown to grey. Additionally, the background changes design between shots. Furthermore, a bowl, a ladle, and a spoon go from being present to vanishing. Moreover, the camera view goes from being aligned with Professor Oak to not with his left-hand going from being lowered to being raised. (00:08:51)
Charmander: The Stray Pokemon - S1-E11
Continuity mistake: When a boy says, "You're the man, Damian," Damian's eyes are open with his arms crossed with his left arm over his right and his head not turned, but in the next shot, his eyes are closed with his right arm over his left and his head turned. Also, the arrangement of the Poké Balls on his table changes between shots. Additionally, Damian has a bag and does not have hair under his bridge, but in the next shot, the bag is absent and hair is under it. Furthermore, the smile of the boy to the left of him changes between shots. (00:06:18)
Here Comes the Squirtle Squad - S1-E12
Continuity mistake: When showing the inside of the store for the first time on the next day, there is no window two planks away from the left of the door, but in the next shot, there is. (00:13:50)
Continuity mistake: When Brock acknowledges that so many Pokémon have not been seen in one place before, the grass and dirt cover changes between shots. (00:00:32)
Continuity mistake: When Pikachu agrees after Ash says, "Yeah, that's it!" his body is facing towards the rock, but in the next shot, it is not. (00:00:10)
There's No Place Like Hoenn - S6-E3
Continuity mistake: In the shot before Ash says that he is hurrying to get to his match, the landscape changes between shots. (00:00:23)
The Startling Yamirami! - S6-E29
Audio problem: When Ash asks what happened with Corphish, his mouth does not move. (00:15:05)
Cutting the Ties That Bind! - S9-E18
Continuity mistake: When Ash goes over a rock, the rock is at his left foot, but in the next shot, it is not. (00:12:43)
Pokémon Contest! Hajitsuge Convention! - S7-E10
Continuity mistake: In the second part of May's flashback of what Grace said, she says, "The one thing to remember above all else and without it you'll never win. Use the power of your Pokémon completely," but in the shot where this takes place, she says, "The one thing to remember above all else is that you'll never be able to win until you can use the power of your Pokémon completely." (00:15:21)
Pokémon Contest! Hajitsuge Convention! - S7-E10
Continuity mistake: In the first part of May's flashback of what Grace said, Grace says, "The most important thing is..." but in the shot where this takes place, she says, "But, the most important thing..." (00:15:18)
The Pokémon Water War - S2-E25
Continuity mistake: When people are first running, Tracey has his head turned, but in the next shot, it is not. (00:01:07)
Evolution! That Mystery and Wonder!! - S8-E50
Other mistake: When Ash and friends are first in the laboratory, Pikachu's right cheek pouch is missing. (00:03:13)
Continuity mistake: When Ash realises that something happened with Pikachu, his bag is below the second-highest plank on the bench, but in the next shot, it is aligned with it. (00:01:27)
Revealing mistake: When Nurse Joy is in the emergency room, a light is floating in midair without being attached to anything. Also, a left door goes from being absent to being present. (00:06:31)
The Ghost of Maiden's Peak - S1-E20
Continuity mistake: When Ash asks, "You remember where we're staying tonight, right?" Brock's bag is on dirt, but in the next shot, it is on grass. (00:08:37)
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.