Battle Aboard the St. Anne - S1-E15
Other mistake: When showing Raticate and Butterfree on a screen during the first trade, they are coming from the sides that their Poké Balls are not on. (00:11:58)
Mystery at the Lighthouse - S1-E13
Revealing mistake: When first showing Ash and friends at the top of the lighthouse, Pikachu is floating in midair. (00:15:00)
Charmander: The Stray Pokemon - S1-E11
Continuity mistake: When Ash asks if he cannot get Pokémon, there is no protrusion between Brock's and Misty's bags, but in the next shot, one appears. Also, Pikachu's head is not turned, but in the next shot, it is. Additionally, the strap of his binoculars is on the centre of the right half of his collar, but in the next shot, it is not. (00:01:34)
Charmander: The Stray Pokemon - S1-E11
Continuity mistake: When Ash and friends realise that the Charmander on the rock is Damian's, Brock's vest goes from being visible underneath Misty's right arm to not and then back to being visible. Also, the marks on Ash's cheeks go from being forward z's to being backward ones. (00:06:43)
The School of Hard Knocks - S1-E9
Continuity mistake: When the doors to the training room open, there is no light aligned to the centre of the doors, but in the next shot, there is. (00:09:55)
Other mistake: When the computer in the storage room says, "Downloader activated," the land and water are reversed with the cities appearing on water instead of land. (00:15:02)
Mystery at the Lighthouse - S1-E13
Other mistake: When the front of the Kabuto costume falls off, the part of Bill's body above his arms is missing. (00:12:34)
Pokemon, I Choose You! - S1-E1
Other mistake: When Ash gets Pikachu's Poké Ball from Professor Oak, the latter's hand right hand is drawn backwards. (00:06:52)
Other mistake: When Nurse Joy says, "Transporting Poké Balls," the screen changes between shots. Also, the land and water have their colours reversed with the cities appearing on water instead of land. (00:14:45)
Charmander: The Stray Pokemon - S1-E11
Continuity mistake: When Damian says that he had a Charmander, his glasses go from being positioned towards the top of the hair underneath the bridge on it to being towards the bottom of it. Also, he goes from smiling to not smiling. (00:06:23)
Mystery at the Lighthouse - S1-E13
Continuity mistake: When Bill removes a device from his pocket, the top of the device is entirely orange, but in the next shot, it is mostly black with its band being orange. (00:15:31)
Mystery at the Lighthouse - S1-E13
Continuity mistake: When the lights in the lighthouse turn on, Pikachu's left ear overlaps Brock's bag despite being behind it. Also, the part of Ash's jacket to the right of his collar goes from white to blue. Additionally, the part of Brock's bag to the left of his head goes from present to absent twice. Furthermore, the keys on the phone go from present to disappearing. Moreover, the right side of the front of Ash's hat goes from being white to being white and red and then back to white. (00:10:08)
Continuity mistake: When Officer Jenny says that she and the crew had initially thought that everyone had left the ship safely, there is no crew, but in the next shot, it appears. (00:01:43)
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)
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)
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)
Continuity mistake: When Pikachu agrees after Professor Oak says, "That's the spirit!" he is on one tile, but in the next shot, he is on two. (00:11:08)
Continuity mistake: When the phone rings, it is six centimetres away from the lamp, but in the next shot, it is fourteen centimetres away. Also, the cabinet is three centimetres away from the top of the planks directly above it, but in the next shot, it is six centimetres away. (00:04:34)
The Flame Pokemon-athon! - S1-E33
Continuity mistake: When Ash says that he cannot ride Ponyta for Lara, his arms are outstretched, but in the next shot, they are at his sides. (00:08:30)
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)
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.