Don't Touch That 'dile - S3-E1
Continuity mistake: When Professor Elm says, "So I suppose you know Professor Samuel Oak,"Misty's and Brock's mouths are open, but in the next shot, they are closed. (00:09:43)
Don't Touch That 'dile - S3-E1
Continuity mistake: When Ash and friends are with Nurse Joy when she is holding Totodile, Ash has gloves on his hands, but when Ash's image appears on a yellow screen, the hand portions of his gloves disappear, making it appear as if he was wearing wristbands. (00:19:22)
Don't Touch That 'dile - S3-E1
Continuity mistake: When Ash's image is on a yellow screen, Ash has wristbands on his hands, but when Ash takes his Pokédex after Nurse Joy registers him for the Johto Pokémon League, hand portions appear on his wristbands, thus making him have gloves. (00:19:36)
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.