Dance, Waninoko! The Steps of Love!! - S3-E37
Continuity mistake: When Misty says, "Don't forget to always swim with a buddy!" there are no rocks close to the grass, but in the next shot, there are two. (00:01:36)
Whose Is the Waninoko!? Satoshi vs Kasumi! - S3-E35
Audio problem: When Pikachu says, "Pika?" as he is surprised about Ash's win in his match with Chikorita and Staryu, his mouth does not pronounce the "P" in "Pika." (00:13:17)
Continuity mistake: When Brock says, "It's a cave where a lot of Onix are supposed to live," he is present, but in the next shot, he is not. (00:01:32)
Continuity mistake: When tea is being poured, there is a forest, but in the next shot, it is the Pokémon Day Care. Also, Pikachu is not present, but in the next shot, he is. (00:05:28)
Burn, Zenigame Squad! Like a Fire!! - S3-E31
Continuity mistake: When Misty says, "Your Pokémon are finally finished with their physical exams!" Brock is not behind her, but in the next shot, he is. (00:02:21)
Continuity mistake: When Ash takes out his Pokédex to find facts on Quagsire, it and his right hand clip through him. Also, his right sleeve goes from being all white to white and blue and his right jacket strip goes from being present to being absent. (00:02:09)
Continuity mistake: When Ash uses his Pokédex to find facts on Chikorita, his right thumb is not covered and his right pinkie finger is not bent, but in the next shot, his thumb is covered and his pinkie finger is bent. (00:02:54)
Continuity mistake: When Ash uses his Pokédex to find facts on Hoothoot, his left index finger is not past the right side of the Pokédex, but in the next shot, it is. (00:03:36)
Continuity mistake: When Ash turns after he wonders how the Heracross will help the Butterfree, the marks on his cheeks go from being present to being absent and then back to present. (00:03:02)
The Double Trouble Header - S3-E2
Continuity mistake: When Pikachu notices Casey and Chikorita, the part of Ash's jacket to the right of his right strap excluding the sleeve goes from blue to white and then back to blue. (00:01:26)
Continuity mistake: When Ash uses his Pokédex to find facts on Spinarak, three of his fingers are on the left side of it, but in the next shot, one is on the side. (00:05:35)
Hanecco's Jealousy! Battle in Big Prairie!! - S3-E21
Continuity mistake: When Ash uses his Pokédex to find facts on Hoppip, the end of his right index finger is covered by it, but in the next shot, it is not. (00:01:52)
Continuity mistake: When Ash uses his Pokédex to find facts on Sentret, his right index finger and the one below it are together all of the way, but in the next shot, they are apart towards their ends. (00:05:38)
Kunugidama and the Bonguri Fruit! - S3-E27
Continuity mistake: When Maizie says, "You really helped us out!" she does not have a red dot on her right cheek, but in the next shot, she does. (00:01:37)
Mysterious Superhero! Gligarman Enter!! - S3-E22
Continuity mistake: When the Pokédex is describing Gligar, Ash's left index finger and the one below it are together, but in the next shot, they are apart. (00:01:47)
Continuity mistake: When Ash notices that his rucksack is missing, there is a dirt area past a tree, but in the next shot, there is not. Also, there is not another one in front of a tree, but in the next shot, there is. (00:01:45)
Ubame Forest! Search for Kamonegi!! - S3-E29
Continuity mistake: When Ash mentions that he had the same problem, Pikachu goes from facing straight to facing Ash. (00:04:58)
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.