Continuity mistake: When Officer Jenny is surprised when she notices Ash, her grip on the intercom changes between shots. (00:02:11)
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)
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 the doors to the Pokémon Center are opening, a frame changes from grey to white between shots. (00:05:09)
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 first showing a clock, the edge of the roof is medium-brown, but in the next shot, it is dark-brown. (00:06:42)
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 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)
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 Ash asks what Team Rocket is talking about, pads appear on Meowth's forepaws. (00:13:26)
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)
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 power goes out in the Pokémon Centre, Nurse Joy's pink dress turns white, while her white apron turns pink. (00:14:21)
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)
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)
Continuity mistake: In the previous episode, when Ash throws the Poké Ball, he says, "Poké Ball, go." However, in this episode, he says, "Caterpie, you're mine!" instead. In addition, in the previous episode, he had his bag on, but in this episode, it is missing. (00:01:17)
Continuity mistake: When Misty says, "Great, just keep it away from me, will ya?" the Poké Ball Ash is holding has one ring on it, but in the next shot it has two. (00:02:42)
Continuity mistake: When Ash says, "Isn't it cute?" the strip on his left shoe to the left of the shoelaces there is white, but in the next shot, it is black. (00:04:12)
Continuity mistake: When Jessie says that Team Rocket is here to steal Pikachu, the tip on Meowth's tail disappears. (00:13:18)
Continuity mistake: When Ash sends out Pidgeotto and Caterpie, Ekans' yellow underbelly turns purple. (00:15:24 - 00:17:01)
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.