Island of the Giant Pokemon - S1-E17
Other mistake: When Ash wakes up on the beach, part of the sides of the hat overlaps the front. (00:01:53)
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
Revealing mistake: When Jessie first saw pulling the cable, the phone is not fully coloured in, and the background can be seen through it. (00:13:08)
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
Revealing mistake: When Team Rocket is about to use the brakes in the cart, Jessie disappears from the cart, but her outline is still there. In the same shot, James overlaps her. Additionally, the cart is moving forward, but after Team Rocket breaks the brakes, it is moving backward. (00:16:09)
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
Other mistake: When Jessie says she cannot stand roller coasters, part of the background is coloured in like her hair. (00:17:26)
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)
Island of the Giant Pokemon - S1-E17
Other mistake: When Ash and his friends are about to hit the Zapdos robot, its body is missing, and shortly after, Pikachu's cheek pouches disappear. (00:18:42)
Island of the Giant Pokemon - S1-E17
Audio problem: When Ash and his friends run to the beach at the end of the episode, Brock speaks without moving his mouth. (00:19:59)
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
Revealing mistake: When Brock says that Tentacruel is using Meowth as a puppet, his neck is not fully coloured in. In addition, while Tentacruel was holding Meowth, it was actually a Tentacool that was controlling him. (00:13:39)
Tentacool and Tentacruel - S1-E19
Other mistake: After the Tentacool on Meowth says that Horsea must be punished, Meowth's mouth is missing. (00:14:38)
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
Revealing mistake: When Brock says, "Ah! Zubat!" his neck is not fully colored in. (00:15:50)
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)
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.