Challenge of the Samurai - S1-E4
Continuity mistake: When Ash goes to get a Poké Ball for the first time, the ball is upside down, but in the next shot, it is upright. Also, behind the same Poké Ball, there is another one, but in the next shot, there is not. (00:03:19)
Showdown in Pewter City - S1-E5
Continuity mistake: When Team Rocket is wondering where the trap is, Jessie's right glove changes from black to skin-colour. (00:01:46)
Showdown in Pewter City - S1-E5
Continuity mistake: When Ash and Misty turn to Flint at the Pokémon Center, the left strap on Ash's rucksack is blue while the part of his jacket to left of it excluding the sleeve is green, but in the next shot, the strap is green while the part of his jacket is blue. (00:03:55)
Showdown in Pewter City - S1-E5
Continuity mistake: When Flint tells Ash to come with him, Ash's gloves disappear. (00:08:15)
Showdown in Pewter City - S1-E5
Continuity mistake: When one of Brock's sisters says, "I tore my skirt!" there are no cubicles, but in the next shot, there are. (00:08:59)
Showdown in Pewter City - S1-E5
Character mistake: When Brock's father takes Ash to Brock's house he tells him that Brock has ten younger brothers and sisters to take care of. But during Ash's second match against Brock you can see that Brock has nine younger brothers and sisters. You can even count them when they are all holding onto Ash to prevent him from continuing with his battle against Brock. (00:09:18)
Showdown in Pewter City - S1-E5
Continuity mistake: When Ash says, "That's a great idea!" Flint's right arm is turned towards his right side, but in the next shot, it is turned forward. (00:10:12)
Clefairy and the Moon Stone - S1-E6
Continuity mistake: When Zubat is hit by Koffing, the back of its wings changes from blue to purple. (00:08:36)
Clefairy and the Moon Stone - S1-E6
Other mistake: When the camera begins panning back to show Seymour, Ash, Butterfree, Zubat, and Brock, Pikachu's mouth is missing. (00:11:18)
The Water Flowers of Cerulean City - S1-E7
Audio problem: When Ash tells Brock to follow him, his mouth does not move. (00:02:43)
The Water Flowers of Cerulean City - S1-E7
Revealing mistake: In the localizations, when Ash and Brock begin running to the crime scene, part of the top of Ash is missing. (00:04:25)
The Water Flowers of Cerulean City - S1-E7
Continuity mistake: When a person says, "Uh, some burglars broke into that store last night," there is a woman with a yellow shirt and brown hair, and a man with a yellow jacket, but in the next shot, the woman has a blue shirt and orange hair, and the man has a blue and cream jacket. (00:04:29)
The Water Flowers of Cerulean City - S1-E7
Continuity mistake: When Brock asks, "Shouldn't you head for Cerulean City Gym?" a street lamp goes from being present to being absent. (00:06:14)
The Water Flowers of Cerulean City - S1-E7
Audio problem: When Misty jumps from the stands, she speaks, but her mouth does not move. (00:10:40)
The Water Flowers of Cerulean City - S1-E7
Character mistake: Lily and Daisy say that Misty wants to become a Pokémon Trainer. However, she is already a Pokémon Trainer. Her true goal is to become a Water-type Pokémon Master. (00:11:30)
The Path to the Pokemon League - S1-E8
Continuity mistake: When Misty says that she and Brock giving Ash the Badges was a mistake, the purple strap on her bag turns yellow, like her shirt. (00:02:11)
The Path to the Pokemon League - S1-E8
Continuity mistake: When Ash and his friends are standing in front of A.J.'s Gym, Ash's white sleeves turn blue. (00:02:45)
The Path to the Pokemon League - S1-E8
Revealing mistake: When Ash and his friends turn to A.J., Ash's left hand passes through Brock. (00:03:00)
The Path to the Pokemon League - S1-E8
Continuity mistake: When A.J. removes his bag, the straps on Ash's are green, but when Butterfree picks up A.J.'s, the straps on Ash's have changed to black. (00:03:27)
The Path to the Pokemon League - S1-E8
Revealing mistake: When A.J. and his Sandshrew walk into a tent, A.J. and his whip clip through the tent. (00:07:56)
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.