Island of the Giant Pokemon - S1-E17
Continuity mistake: When James says, "Look over there!" there is a phone booth with no wire attached to it, but in the next shot, a wire is attached. (00:03:21)
Island of the Giant Pokemon - S1-E17
Continuity mistake: When Koffing and Ekans refuse to attack, and when Ekans explains that Pokémon only do bad things because of their masters, the yellow stripe on its underbelly turns purple like the rest of its body. (00:06:28 - 00:07:10)
Island of the Giant Pokemon - S1-E17
Continuity mistake: When Jessie's image appears after Ekans says it only obeys its master, her blue eyes turn white. (00:06:46)
Island of the Giant Pokemon - S1-E17
Continuity mistake: When Jessie says, "Well, you can use a good workout," the window frame in front of her and James is black, but in the next shot, it is instantly cream. (00:13:31)
Island of the Giant Pokemon - S1-E17
Continuity mistake: When Ash and his friends see the giant Pikachu, Misty's bag is on her right shoulder, but when the bridge collapses, it is on her left. (00:16:38)
Island of the Giant Pokemon - S1-E17
Continuity mistake: When Team Rocket says they cannot stop the cart, Jessie's gloves go past her elbows, but when the cart enters the loop, they do not. In the same shot, Misty's bag disappears. (00:17:38)
Island of the Giant Pokemon - S1-E17
Continuity mistake: When the cart is in the loop, Jessie's gloves go past her elbows, but when Meowth explains how he managed to jump onto the cart, they do not. (00:18:15)
Island of the Giant Pokemon - S1-E17
Continuity mistake: Right before the Blastoise robot is knocked down, its lower jaw changes from cream to blue, while the inside of one of its ears changes from black to blue. This also happens when the destroyed robots are shown. (00:18:18 - 00:19:23)
Tentacool and Tentacruel - S1-E19
Continuity mistake: When Ash and his friends arrive in a boat to rescue the sailors, Brock's green vest turns black. (00:03:01)
Tentacool and Tentacruel - S1-E19
Continuity mistake: When Ash wonders where Misty went, the part of his hat that adjusts the size of it changes from red to white. (00:15:46)
Tentacool and Tentacruel - S1-E19
Continuity mistake: When Misty watches Tentacruel go back into the sea after Nastina flies off, her bag is in front of her. But in the next shot, it is behind her. (00:18:54)
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)
Abra and the Psychic Showdown - S1-E22
Continuity mistake: When Ash runs after the girl, the orange stripe on his bag turns cream. (00:02:12)
Abra and the Psychic Showdown - S1-E22
Continuity mistake: When Team Rocket shows Pikachu, the number of fingers Meowth has on each hand changes from three to four. (00:05:18)
Abra and the Psychic Showdown - S1-E22
Continuity mistake: When Ash notices the Saffron City Gym, the buildings in the background change. (00:06:38)
Abra and the Psychic Showdown - S1-E22
Continuity mistake: When Sabrina's father warns Ash about the Saffron City Gym, the buildings in the background change colour and design. (00:06:50)
Abra and the Psychic Showdown - S1-E22
Continuity mistake: When Pikachu is confused about Abra's strategy, the brown stripe on Abra's tail turns cream. (00:11:14)
Abra and the Psychic Showdown - S1-E22
Continuity mistake: When the camera pans up to show the Sabrina doll as Ash and friends are running, Pikachu abruptly shifts right briefly before returning to his previous position. Also, the centre cloud is above two others on a set, but in the next shot, it is below them. (00:16:05)
Abra and the Psychic Showdown - S1-E22
Continuity mistake: When Ash says he and his friends should go to Lavender Town, one of the black straps on Brock's bag turns green like his vest for a few frames. (00:19:57)
Continuity mistake: When Ash says, "We gotta make sure we don't get separated," Misty's right arm is violet, but in the next shot, it is skin-colour. (00:01:32)
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.