Enter the Tower Tycoon, Lila!! - S9-E24
Continuity mistake: When Anabel hands Pikachu to Ash, Pikachu's left arm changes from yellow to purple. In the same shot, Ash's right glove and the tip on Meowth's tail disappear. (00:06:30)
Enter the Tower Tycoon, Lila!! - S9-E24
Continuity mistake: When Ash and his friends are at the entrance of the Battle Tower, the brown linings on Brock's sleeves briefly turn orange. (00:11:13)
Haruka vs Shu! The Final Battle!! - S9-E37
Continuity mistake: When Drew tells Flygon to use Steel Wing for a second time, the tip of Flygon's tail changes from green with red borders to red with green borders. (00:05:25)
Revealing mistake: When Aipom runs off with the crown, its tail passes through a wall. (00:07:34)
Audio problem: During the battle with Team Rocket, when Ash tells Pikachu to use Thunderbolt for the first time, Pikachu's voice plays before his mouth moves. (00:16:41)
Gathering the Gang of Four! - S9-E44
Continuity mistake: When Brock says that he is wondering what Officer Jenny will be doing after work, the green collar on his shirt turns skin-colour, making it appear as though his head is disconnected from his body. (00:18:27)
End of a Journey, and Then the Start of a Journey! - S9-E47
Continuity mistake: When the camera pans across Ash's Pokémon when they are eating, Sceptile's lower jaw changes from red to green. (00:02:53)
Following a Maiden's Voyage! - S10-E1
Continuity mistake: When first showing a building with a clock tower, its front doors consist of at least six rows consisting of two glass panes, but in the next shot, there are five. (00:06:32)
Can't Get the Pokétch!? - S10-E10
Continuity mistake: When Meowth says that Team Rocket is not joking, the gloves on Jessie and James' disguises disappear. This also happens after Ash says that he does not need a Pokétch. (00:03:32 - 00:04:19)
Can't Get the Pokétch!? - S10-E10
Continuity mistake: After Ash says that he does not need a Pokétch, part of the scarf on Dawn's neck disappears. This also happens when Dawn says that her combinations are ready. (00:04:19 - 00:06:47)
Can't Get the Pokétch!? - S10-E10
Continuity mistake: When Landis' father says that Brock and Croagunk are very close, Dawn's socks disappear. (00:08:12)
Can't Get the Pokétch!? - S10-E10
Continuity mistake: When the camera pans over to Dawn, when Landis' father measures her and Piplup's friendship, Dawn's white undershirt turns purple. (00:08:37)
Can't Get the Pokétch!? - S10-E10
Continuity mistake: When Dawn says that Landis speaks wisely for being so little, her bracelet disappears. This also happens when she tells Piplup to use Peck. (00:09:41 - 00:17:52)
Can't Get the Pokétch!? - S10-E10
Continuity mistake: When Ice Beam is about to hit Team Rocket, the "R" on James' uniform disappears. (00:16:05)
Can't Get the Pokétch!? - S10-E10
Continuity mistake: When Team Rocket and their Pokémon attack, the purple spot on Seviper's face swaps from the left side to the right. (00:18:37)
Can't Get the Pokétch!? - S10-E10
Continuity mistake: When Croagunk drags Brock away, Pikachu's tail turns completely brown. (00:19:26)
Continuity mistake: When Meowth says that, as long as Team Rocket keeps the Pokémon in their cages, they will be fine, James' neck changes from skin colour to white like his shirt. (00:08:54)
Ancient Pokémon Rampage! - S10-E17
Revealing mistake: When Ash's Pokémon turn after he compliments their battling, Turtwig appears to be floating in midair. (00:01:33)
Ancient Pokémon Rampage! - S10-E17
Revealing mistake: When Buneary jumps down from a rock, it passes through it. (00:01:39)
Ancient Pokémon Rampage! - S10-E17
Continuity mistake: When Jessie asks what move Aerodactyl is using, the ring around the button on the Poké Ball disappears. (00:07:12)
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.