Continuity mistake: When Ash and Misty wonder what happened with Brock's internship with Professor Ivy, the rectangle with the button on Misty's shorts goes from blue to yellow. Also, there is moulding in the living room, but in the next shot, it disappears. (00:03:45)
Continuity mistake: When Brock is next to Ash at a cabinet, the right support of the table goes from being a darker brown than the top of it with it being not past the oven to being the same brown with it past it. Also, the number of rows of tiles before the window goes from four to five. (00:02:39)
Dig Here Urimoo! Search for the Hot Spring!! - S4-E31
Continuity mistake: After Rory says that he is Peggy's father, there is a pile of logs behind the Swinub, but when Ash wonders about his occupation, the pile of logs has disappeared. (00:03:19)
Ordile vs Kamex! Sumo Battle!! - S4-E37
Continuity mistake: When Ash uses his Pokédex, the circle around the light on it goes from black to red. Also, the antenna on it is grey, but in the next shot, it is red. (00:01:36)
There Aren't Any Nokocchi Here!? - S4-E34
Continuity mistake: When the Pokédex is giving facts on Dunsparce, Ash's right pinkie finger and the two above are past the left portion of it, but in the next shot, they are not. Also, the light on it goes from blue to red. (00:00:45)
There Aren't Any Nokocchi Here!? - S4-E34
Continuity mistake: When Ash uses his Pokédex, his right pinkie finger and the two above are not past the left part of it, but in the next shot, they are. (00:00:39)
The Mystery of the Frozen Himanuts!! - S4-E30
Continuity mistake: When the Pokédex begins giving facts on Articuno, Ash's right thumb goes past the right extension of it, but in the next shot, it no longer goes past. Also, the outer circle for the light on it goes from red to blue. (00:02:36)
The Mystery of the Frozen Himanuts!! - S4-E30
Continuity mistake: When Ash uses his Pokédex to find facts on Articuno, his right thumb does not go past the right extension on it, but in next shot, it does. (00:02:31)
Popocco! Grass Pokémon Battle!! - S4-E21
Continuity mistake: When Ash and friends admire the plants in the corner, there is no pot between the two right pots on the bottom shelf of the shelving unit adjacent to the background, but in the last shot inside Ephraim's house, a pot with a plant appears. (00:05:16)
Continuity mistake: When Ash uses his Pokédex in "The Apple Corp!" the border around the screen is red, but when he uses it in this episode, it is grey. (00:00:27)
Continuity mistake: When Ash uses his Pokédex, the right half of his jacket's collar goes from white to blue. Also, his right index finger is not past the portion of it with the screen, but in the next shot, it is. Additionally, when Ash uses the Pokédex in "The Grass Route," the portion below the light on it and the border around the screen are grey, but in the latter shot mentioned in this episode, they are red. (00:06:48)
Happinas's Happy Nurse! - S3-E13
Continuity mistake: When Ash is lying on the ground at the front of the Pokémon Center, the right door's handle is white, but when Brock is interested in Blissey when he is next to her, the handle is grey. (00:02:23)
Happinas's Happy Nurse! - S3-E13
Continuity mistake: When a front door opens when Ash is next to it, the handle on the door to the right of it is pink, but in the next shot, it is white. Also, Ash's bag is medium-green in colour, but in the next shot, it is dark-green. (00:01:51)
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)
Natio's Big Prediction! - S5-E25
Continuity mistake: In "Dues and Don'ts," when the Pokédex provided facts on Delibird, the portion below the light was red, but in this episode, it is grey. (00:03:29)
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)
The Double Trouble Header - S3-E2
Continuity mistake: When Ash uses his Pokédex to find facts on Chikorita, the end of his right index finger is on its left side, but in the next shot, it is not. (00:02:01)
Balkie and the Karate King Nobuhiko! - S5-E24
Continuity mistake: In "Dues and Don'ts", when the Pokédex gives facts on Delibird, the border around the screen is red, but when Ash uses it in this episode, the border is grey. (00:01:37)
Blacky! Battle During a Dark Night!! - S4-E14
Continuity mistake: When Ash gets his Pokédex, the black part on his bag's left strap goes from present to absent and back to present. (00:02:16)
Fake Okido! Pokémon Senryu Confrontation!! - S5-E36
Continuity mistake: In the first shot after the intro, Ash's left hand is behind his cup, but in the next shot, it is in front of it. (00:01:24)
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.