Continuity mistake: At the beginning, the front of Ash's hat is red, but in the next shot, it is instantly white. (00:01:11)
Continuity mistake: When Brock falls to the ground, the clock tower seen at the beginning of the episode disappears. Also, the white sides of the building behind him change to yellow. (00:01:23)
Continuity mistake: When Ash notices a Pokémon, the top of his hat goes from present to vanishing and then reappearing. The visor of his hat also goes from not being past the front of it to being past it. (00:01:27)
Other mistake: When Jessie instructs Meowth to unlock the door to a building, there are five lines on the latter's charm instead of four. Also, the former's right glove goes from absent to appearing. (00:02:11)
Continuity mistake: When Team Rocket is by a patrolman, Jessie and James are 60 centimetres away from each other shoulder-to-shoulder, but in the next shot, they are half that distance away. (00:03:18)
Continuity mistake: When Officer Jenny is looking at the bottle caps on the ground when two policemen come to her, the design of the shed's glass changes from when Team Rocket was looking at the building. (00:03:44)
Continuity mistake: When Brock is determined to solve the case, the glass pattern for the left of the front of the shed which had two triangles at the top facing downward changes to having one facing downward. Also, the bottom of the awning goes from being brown with protrusions to being white without them. Additionally, the building in the background changes from going past the centre of the shed to not while going from having the window seen above another straight with shutters to curved at the top without them. (00:05:10)
Continuity mistake: When Officer Jenny says, "This is the cutest one on the force," the strap of her bag is underneath and to the right side of her right shirt pocket, but in the next shot, it is over and to the center of it. (00:05:32)
Continuity mistake: When Ash uses his Pokédex to find facts on Spinarak, three of his fingers are on the left side of it, but in the next shot, one is on the side. (00:05:35)
Revealing mistake: After Ash says that it is his and his friends' duty to show that it is wrong to use Pokémon for wrongful deeds, part of Pikachu is missing. (00:07:34)
Revealing mistake: When James throws the bottle caps at Ash and his friends, he is with the bowl he stole, despite it not being present before or after this shot. This is due to the fact that this shot is recycled from when he threw them earlier in the episode. (00:16:37)
Continuity mistake: When Team Rocket is trying to move their balloon with fans, the brown tip on Meowth's tail turns cream like the rest of his body. (00:17:33)
Continuity mistake: When Spinarak latches onto Team Rocket's balloon, the balloon's tail is completely brown instead of cream with a brown tip. (00:18:15)
Continuity mistake: When Team Rocket's balloon falls from the sky, Jessie and James' gloves disappear. (00:18:20)
Continuity mistake: When the mayor is happy after the trophy is saved, the string on the trophy disappears briefly. (00:19:08)
Continuity mistake: When Meowth says that he and his friends do not have money, his disguise disappears. (00:20:40)
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.