Continuity mistake: In the Japanese version of the intro, the first shot showing Ash and friends shows Ash's bag with the label green. However, the label is white instead outside of this intro. Also, the front of Ash's hat goes from white to black and back to white. Additionally, part of his right glove goes from green to skin colour. (00:00:19)
Other mistake: In the English dub, when Bayleef jumps up in the opening, her left pupil is mistakenly coloured white instead of black. (00:00:47)
Continuity mistake: In the English dub, during the intro, when Team Rocket's Pokémon appear, the red in Arbok's pattern turns purple. (00:01:13)
Other mistake: In the English dub, when Bayleef jumps up in the outro, her left pupil is mistakenly coloured white instead of black. (00:21:00)
A Chain of Whirlpool Islands! A Renewed Challenge!! - S5-E1
Continuity mistake: When Professor Elm affirms to the fact that the Corsola with him is his, the land on the map changes from three shots before. (00:07:10)
A Chain of Whirlpool Islands! A Renewed Challenge!! - S5-E1
Continuity mistake: When Marius says, "Why don't we give these kids a chance to rest up a bit after the experience they've just had?" his left arm is bent to the right, but in the next shot, it is bent upward. (00:07:52)
Set Out to the Sea! Line of Chonchie!! - S5-E3
Revealing mistake: When a Chinchou hops up some stairs, it clips through the last step. (00:00:47)
Set Out to the Sea! Line of Chonchie!! - S5-E3
Continuity mistake: In "Around the Whirlpool", when Ash uses his Pokédex, the top button like a line is five millimetres wide and ten millimetres long, but when Ash uses it in this episode, the button is one millimetre wide and five millimetres long. Also, the end of his left thumb and index finger are entirely covered by the Pokédex, but in the next shot, they are not. (00:01:47)
Okutank and Teppouo! Whirlpool Cup Preliminaries!! - S5-E6
Revealing mistake: When Ash gets his Pokédex, it and his right hand appear from thin air. (00:05:56)
The Legend of Silver Wings! Battle at Silver Rock Island!! - S5-E10
Continuity mistake: When Team Rocket looks at Noctowl as it approaches their balloon, Meowth's cream forepaws turn orange. (00:15:13)
The Promise with Lugia! - S5-E13
Continuity mistake: When Cassidy, Butch, and Dr. Namba are looking at the parent Lugia before Dr. Namba steps forward, Cassidy and Butch and Dr. Namba are one metre away from each other, but in the next shot, they are 0.3 metres away. Also, there is a blue control panel with nine keys, but in the next shot, it is a yellow control panel with eighteen keys. (00:02:03)
Asagi Gym! Vs Haganeil!! - S5-E15
Continuity mistake: When Ash takes out his Pokédex, he holds it with his right hand, but in the next shot, he is holding it from the left. (00:05:02)
Asagi Gym! Vs Haganeil!! - S5-E15
Continuity mistake: When Jasmine says that she will not go easy on Ash, Ash's bag is present from the rear view, but in the following front view, it disappears. (00:06:46)
Eifie and Sakura! Enju City Once Again!! - S5-E17
Audio problem: When Brock says that he cannot tell which of the Kimono Sisters is the most beautiful, his mouth does not move. This also happens with Satsuki after Jessie asks the Kimono Sisters if they are looking for dance instructors. (00:03:13 - 00:04:48)
Team Rocket and Delibird! - S5-E22
Continuity mistake: When Ash uses his Pokédex, the border around the screen and the portion below the light are grey, but in the next shot, they are red. (00:15:22)
The Kyukon in the Fog! - S5-E23
Continuity mistake: When Ash walks into the fog, the black collar on his shirt turns white. (00:00:15)
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)
Balkie and the Karate King Nobuhiko! - S5-E24
Continuity mistake: When Kiyo says that Ash must have battled at the Cianwood Gym, Ash's blue jacket turns black like his shirt. (00:03:48)
Balkie and the Karate King Nobuhiko! - S5-E24
Continuity mistake: After Kiyo says that he is known as Black Belt Kiyo, Misty's bag disappears. (00:04:07)
Balkie and the Karate King Nobuhiko! - S5-E24
Continuity mistake: When Kiyo tells Ash and his friends to eat, Misty's bag changes from being on the ground to on her shoulder. (00:04:29)
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.