Continuity mistake: When Team Rocket begins reciting their motto, Jessie's gloves disappear. (00:06:42)
Continuity mistake: When Ash and his friends recall their Pokémon during their battle with Team Rocket, Ash's left glove disappears. (00:07:58)
Continuity mistake: When Ash and his friends escape the ship, Ash's gloves disappear. (00:12:44)
Continuity mistake: When Ash and his friends paddle away from Gyarados, the tips on Meowth's feet disappear. (00:18:52)
Continuity mistake: When Jessie tells Ekans to use Acid, the stripe on its tail disappears. (00:04:45)
Continuity mistake: When Meowth says that Jessie and James picked a bad place for their nap, the black edge of his ears turns cream. (00:04:04)
Battle Aboard the St. Anne - S1-E15
Continuity mistake: When Jessie insults James for getting tricked by the salesman, she appears in her regular clothes, instead of her disguise. (00:12:12)
Battle Aboard the St. Anne - S1-E15
Continuity mistake: When Ash is impressed on seeing the inside of the cruise, his bag disappears. (00:05:57)
Mystery at the Lighthouse - S1-E13
Continuity mistake: During the motto, James' purple belt turns white in one shot, and shortly after, Meowth's cream forepaws turn orange. (00:11:38)
Mystery at the Lighthouse - S1-E13
Continuity mistake: When Misty says that the lighthouse will probably have extra beds, her suspenders disappear, while the purple strap on her bag turns red like them. (00:06:49)
Mystery at the Lighthouse - S1-E13
Continuity mistake: After Krabby's Poké Ball disappears, the white stripe on Ash's bag turns orange. (00:05:05)
The Path to the Pokemon League - S1-E8
Continuity mistake: When Team Rocket is sneaking around the Gym while inside a ball, Meowth's cream forepaws turn orange. (00:12:44)
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 Team Rocket is wondering where the trap is, Jessie's right glove changes from black to skin-colour. (00:01:46)
Continuity mistake: When the power goes out in the Pokémon Centre, Nurse Joy's pink dress turns white, while her white apron turns pink. (00:14:21)
Continuity mistake: In the English dub, when Ash and Pikachu smile after Squirtle jumps into the former's arms, the mountains in the background shrink in size from the last shot. (00:00:51)
Battle Aboard the St. Anne - S1-E15
Continuity mistake: When the Gentleman says, "That's enough," he has his left hand behind the left whiskers on Raticate, but in the next shot, it is below them. Also, the sign indicating a win has vanished from the end of the match before Ash's. (00:08:42)
Battle Aboard the St. Anne - S1-E15
Continuity mistake: In the first shot of the episode, the warehouses at Vermilion Harbor have their entrances facing perpendicular to the bridge leading to them, but as the camera pans closer to Vermilion Harbor as Ash and friends approach it, the entrances face parallel to the bridge. (00:01:28)
Pokemon, I Choose You! - S1-E1
Continuity mistake: When Ash is first in bed, the left row of books contains four books with the right containing five, but when the alarm clock falls off its holder, the left has five with the right having four. Also, the white books in the right row changed colour to blue. (00:03:31)
Pokemon, I Choose You! - S1-E1
Continuity mistake: When Professor Oak says that tomorrow is an important day for new Trainers, the borders on the board with pictures of the starter Pokémon are blue, but in the next shot, they are brown. (00:02:54)
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.