Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When May says, "So there must be a town nearby!" she is behind Ash, but in the next shot, she disappears. (00:00:21)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When Zander accuses Ash and his friends of stealing, their bags disappear. (00:02:05)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When Zander accuses Ash and his friends of stealing, Ash's legs are not covered by Caterpie's String Shot, but when he and his friends say that they are telling the truth, they are. (00:02:16)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When Dr. Gordon first demonstrates his Future Sight device, the utensils on it are grey, but in the next shot, they are brown. (00:02:36)
Evolution! That Mystery and Wonder!! - S8-E50
Other mistake: When Ash and friends are first in the laboratory, Pikachu's right cheek pouch is missing. (00:03:13)
Evolution! That Mystery and Wonder!! - S8-E50
Other mistake: When Max asks if Zander studies with Dr. Gordon, Pikachu's right cheek pouch is missing. (00:03:50)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: After Zander says that Dr. Gordon is a good inventor, May's bag disappears. (00:03:56)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When Zander runs over to Dr. Gordon after he falls asleep, the bottom of Max's shirt changes from green to brown. (00:04:46)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When May says, "Thanks, Dr. Gordon!" Dr. Gordon's left hand is at his left side, but in the next shot, it is behind him. (00:05:33)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When Caterpie goes to the source of the suspicious activity, it faces Zander, but in the next shot, it faces away from him. Also, Ash's marks go from being absent to being present. (00:05:41)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When Ash first tells Pikachu to use Quick Attack, his bag disappears. (00:06:58)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When Caterpie starts growing, Max and Brock's bags disappear. (00:07:20)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When Jessie says Caterpie is upset, Meowth disappears. (00:07:29)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When Team Rocket first blasts off, Jessie is to the left of James, but in the next shot, she is to the right. (00:07:42)
Evolution! That Mystery and Wonder!! - S8-E50
Other mistake: When Dr. Gordon says that the candy was created to improve a Pokémon's health, Caterpie mistakenly has seven segments instead of six. Also, Ash, Brock, and Pikachu go from being in front of a bookshelf to not being in front of one. Additionally, Max and Ash's bags go from being absent to being present. (00:08:17)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When Caterpie emerges from the laboratory, Brock and Max have their bags, but in the next shot, they disappear. Also, May is behind Brock, but in the next shot, she is in front of him. Additionally, Dr. Gordon is in the back of the group, but in the next shot, he is in the front of it. (00:09:16)
Evolution! That Mystery and Wonder!! - S8-E50
Revealing mistake: When Caterpie leaves the laboratory, it clips through it. (00:09:20)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When Zander tells Caterpie to not leave, Ash and Max's bags disappear. (00:09:23)
Evolution! That Mystery and Wonder!! - S8-E50
Other mistake: When Caterpie and the city are first seen, part of Caterpie's body is mistakenly coloured yellow instead of green. (00:09:26)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When two people stop on a bridge to watch Caterpie, the man with the blue jacket has his body facing away from Caterpie, but in the next shot, it faces towards it. (00:09:40)
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.