Okido Laboratory! All Members Assemble! - S8-E41
Revealing mistake: When Professor Birch says that Muk should play with the other Pokémon, his mouth briefly detaches from his face. (00:06:23)
Ancient Pokémon Rampage! - S10-E17
Continuity mistake: Before Jessie, James, and Meowth say their names, Meowth's tail turns completely cream-coloured. (00:13:57)
Ancient Pokémon Rampage! - S10-E17
Continuity mistake: When Pikachu and Sudowoodo are defeated by Kabutops and Armaldo, Roark's gloves disappear, while Brock's green sleeves turn brown. (00:13:20)
Ancient Pokémon Rampage! - S10-E17
Continuity mistake: When Roark distracts Kabutops and Armaldo, Armaldo's black claws turn blue like its arms. (00:13:09)
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)
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
Revealing mistake: When Ash's Pokémon turn after he compliments their battling, Turtwig appears to be floating in midair. (00:01:33)
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 Croagunk drags Brock away, Pikachu's tail turns completely brown. (00:19:26)
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 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 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 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: 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 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)
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)
Save the Lost Hippopotas! - S10-E44
Revealing mistake: When Ash and his friends are digging, Ash overlaps Brock. (00:14:52)
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)
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)
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)
Answer: Yes it ran away because Layla hurt its feelings.