The Startling Yamirami! - S6-E29
Continuity mistake: When Ash and his friends eat the sandwiches, May's white skirt turns red like her shirt. (00:01:06)
Haruka! The First Pokémon Contest Challenge!! - S6-E35
Continuity mistake: When Ash suggests that May could check the date for the contest earlier, the buildings on the side change between shots. Also, the left side of his hat constantly changes from red to black. (00:00:03)
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)
Sing! Pokémon Trick House!! - S6-E39
Continuity mistake: At the beginning of the episode, May's bandanna changes from white with a red lining to red with a white lining. This also happens after the King of Tricks falls into the river. (00:00:02 - 00:11:28)
Sing! Pokémon Trick House!! - S6-E39
Continuity mistake: When Ash tells Corphish to use Crabhammer, his bag disappears. (00:17:24 - 00:18:19)
Sing! Pokémon Trick House!! - S6-E39
Continuity mistake: When Seviper and Cacnea are affected by Screech, the green spikes on Cacnea turn yellow. (00:18:04)
What You Seed Is What You Get - S7-E1
Continuity mistake: When Natasha accuses Ash and his friends, the black stripe on Ash's hat turns red like the rest of the hat. (00:06:59)
Pokémon Contest! Hajitsuge Convention! - S7-E10
Continuity mistake: When Brock asks Grace if she wants to have lunch with him, Grace's yellow sleeve turns blue. (00:03:20)
Pokémon Contest! Hajitsuge Convention! - S7-E10
Continuity mistake: When Brock says that he and Grace make the perfect couple, part of Grace's right changes from skin-colour to yellow. (00:04:28)
Pokémon Contest! Hajitsuge Convention! - S7-E10
Continuity mistake: In the first part of May's flashback of what Grace said, Grace says, "The most important thing is..." but in the shot where this takes place, she says, "But, the most important thing..." (00:15:18)
Pokémon Contest! Hajitsuge Convention! - S7-E10
Continuity mistake: In the second part of May's flashback of what Grace said, she says, "The one thing to remember above all else and without it you'll never win. Use the power of your Pokémon completely," but in the shot where this takes place, she says, "The one thing to remember above all else is that you'll never be able to win until you can use the power of your Pokémon completely." (00:15:21)
Pokémon Contest! Hajitsuge Convention! - S7-E10
Continuity mistake: In the first part of May's flashback of what Drew said, he has his head turned downward, but in the shot where this takes place, his head is not turned. (00:15:28)
Pokémon Contest! Hajitsuge Convention! - S7-E10
Continuity mistake: In the second part of May's flashback of what Drew said, Drew says, "So when a Trainer's confused, so is his Pokémon. But remember, that's the true essence of teamwork," but in the shot where this takes place, he says, "And that's the true essence of teamwork." (00:15:35)
Pokémon Contest! Hajitsuge Convention! - S7-E10
Continuity mistake: When May asks what the sellers are going to run out of, the pattern on the lower half of Beautifly's wings changes from blue and red to yellow. (00:16:22)
Fushigidane and Fushigidane! Regaining the Monster Balls!! - S7-E34
Continuity mistake: When Ash and friends first have a conversation with Professor Oak, Ash is not there, but in the next shot, he is. (00:05:08)
Baneboo's Lost Object!? - S7-E39
Continuity mistake: When Ash tells Corphish to use Bubble Beam after Team Rocket's Pokémon during the first battle, his bag disappears. This also happens when Ash tells Torkoal to dodge Cacnea's Needle Arm. (00:07:52 - 00:19:02)
Hiwamaki City's Feather Carnival!! - S7-E44
Continuity mistake: After the Pokémon Trainer's Choice, Skitty's cream legs turn pink. (00:10:11)
Hiwamaki City's Feather Carnival!! - S7-E44
Continuity mistake: After James gets the false Chimecho, the stripe on it disappears. This also happens when he shows it to Jessie. (00:13:15)
Enter Those Three! Referee School Island! - S7-E52
Continuity mistake: When Serena meets Jimmy at night, Jimmy's sleeves disappear. This also happens when she tells him to not give up. (00:14:12 - 00:16:44)
Enter Those Three! Referee School Island! - S7-E52
Continuity mistake: When Ash, Max, May, and Jimmy ask, "Huh?" the visor on Ash's hat goes from red to black. (00:16:47)
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.