Continuity mistake: When Jessie says, "Guess we woke up this sleepy dump," she has lipstick on, but the next shot shows her immediately having no lipstick. (00:12:22)
Continuity mistake: When Nurse Joy says that it is not necessary for Team Rocket to be at the Pokémon Center, James', Jessie's, Meowth's, Ekans', and the stairs' positions change. Also, the way Ekans is curled up changes. Additionally, Jessie's right earring goes from being present to being absent. (00:13:44)
Audio problem: When Officer Jenny says, "Let's see. If you're the real deal..." her mouth does not open. (00:03:21)
Continuity mistake: When Professor Oak is raising his right arm for the first time, his right sleeve intermittently goes from having two buttons to having one. (00:09:19)
Continuity mistake: When Ash, Misty, and Nurse Joy enter the storage room, Nurse Joy's left hand is not behind Ash, but in the next shot, it is. Also, the floor changes from a yellow floor that is not tiled to a green floor that is tiled. (00:14:15)
Continuity mistake: When the doors to the Pokémon Center are opening, a frame changes from grey to white between shots. (00:05:09)
Continuity mistake: When Ash asks what Team Rocket is talking about, pads appear on Meowth's forepaws. (00:13:26)
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)
Revealing mistake: When Team Rocket first appears in the Pokémon Center, they are slightly transparent, and the background can be seen through them. (00:13:00)
Continuity mistake: When there is a front view of Ash carrying Pikachu to the Pokémon Center, his left strap is green, but in the next shot, it is blue. (00:02:17)
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)
Continuity mistake: When first showing a clock, the edge of the roof is medium-brown, but in the next shot, it is dark-brown. (00:06:42)
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)
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 Officer Jenny is surprised when she notices Ash, her grip on the intercom changes between shots. (00:02:11)
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.