Continuity mistake: When Brock says, "They're training, all right," Max's head is not turned, but in the next shot, it is. Also, May's hands are closed and have their front at her sides, but in the next shot, they are open and have their back at her sides. (00:03:20)
Continuity mistake: When Ash and Brock head over to the left side of the boat after hearing Max and May from the water, the door to the right of therm has no handle, but in the next shot, it has one. (00:06:00)
Enter Manene! Mansion of Rest! - S9-E2
Other mistake: When James says, "Besides, I'll stay here tonight and keep an eye on things," Munchlax's feet are mistakenly coloured blue instead of yellow. (00:11:44)
Continuity mistake: When Ash asks, "What are you talking about?" the left page May is on goes from having a rectangle that is four centimetres wide to having one that is two centimetres wide. Also, the lights on the ceiling move further apart between shots. (00:00:31)
Continuity mistake: When Max says, "That's so cool, Ash," Ash's left index finger goes from not being completely covered by his badge case to being completely covered by it. (00:00:03)
The Greatest Pelipper in History! - S6-E10
Continuity mistake: When Brock says, "The Gym with the world's most powerful Pokémon just ahead," his body faces towards the sign, but in the next shot, it faces Ash. (00:01:50)
Taming of the Shroomish - S6-E9
Continuity mistake: When May is first seen, Max and Pikachu are absent, but in the next shot, they are present. (00:00:06)
Revealing mistake: When Ash says, "Seems almost magical," the end of Pikachu's tail is missing. (00:03:59)
Continuity mistake: When Max says, "But I haven't even seen one Pokémon yet!" there is dirt, but in the next shot, it disappears. (00:00:21)
Try to Study! Pokémon Trainer's School! - S6-E15
Continuity mistake: When Roxanne says, "We're here on a field trip, but it's just about time for us to be heading back now," Brock is to the left of Ash, but in the next shot, he disappears. (00:03:02)
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
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: When Dr. Gordon collapses after pulling the wagon, part of his hair goes from being present to being absent. (00:10:33)
Banana Namakero Park and Kabigon!! - S7-E48
Revealing mistake: When Ash puts his hands on the gate, some of his fingers clip through it. (00:02:27)
Beauty and the Beast!? Dirteng and Joi-san - S6-E37
Continuity mistake: When Nurse Joy walks to the window at the beginning of the episode, her chair is positioned on the second row of tiles from the window while her desk is positioned on that and the first row of tiles from there, but when Ash and friends watch the footage of the shot, Nurse Joy's chair is positioned on the third row of tiles from the window while her desk is positioned on the second and fourth rows of tiles from there. Also, the way Nurse Joy braces when the wind blows changes. (00:04:54)
Continuity mistake: When Ash says, "Uh-oh," Pikachu's pose changes between shots. (00:00:45)
Revealing mistake: When first revealing a Lotad, the Lotad appears from nowhere. (00:02:10)
Kikyo Gym! Sky Battle!! - S3-E15
Other mistake: After Falkner tells Pidgeot to spin and dodge during his match with Team Rocket, Pidgeot is dodging, but does not spin. (00:05:14)
The Flame Pokemon-athon! - S1-E33
Continuity mistake: When Ash says that he cannot ride Ponyta for Lara, his arms are outstretched, but in the next shot, they are at his sides. (00:08:30)
Pokemon, I Choose You! - S1-E1
Continuity mistake: When Pikachu uses Ash's Pokédex for facts on where Pokémon want to reside, Ash's right fingers are covered by it, but in the next shot, they are not. (00:10:19)
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.