Island of Doctor Moroboshi! Fossil Pokémon Appear!! - S8-E10
Revealing mistake: When Armaldo leaves the laboratory, it clips through a wall. (00:12:13)
Other mistake: When Juan says, "I won my five ribbons and entered the Grand Festival," his reflection in his tea is not reversed. (00:08:05)
Start the Preliminaries! Masamune Appears!! - S8-E34
Continuity mistake: When Tyson is tending to his Meowth's wounds during the flashback, the tips on the Meowth's feet briefly disappear. (00:17:35)
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)
Continuity mistake: When a downward camera view of Charizard going to the ground is seen, Ash, Pikachu, Noland, and the referee are on the ground, but in the next shot, they are on platforms. Also, there are markings on the ground, but in the next shot, they disappear. (00:11:48)
Continuity mistake: When Scott says that a direct hit is needed for Water Pulse to be effective, the pattern on May's bandanna changes from white with a red lining to red with a white lining. (00:12:50)
Continuity mistake: When Noland tells Articuno to finish the battle with Steel Wing, his glove disappears. (00:16:52)
Continuity mistake: After Ash and his friends say that three against one is unfair, Machoke's black briefs turn blue like its skin. This also happens when it uses Cross Chop. (00:02:36 - 00:11:58)
Continuity mistake: When Ash tells Phanpy to use Defense Curl, his glove disappears while his right sleeve changes from black to blue. (00:03:10)
Continuity mistake: When the camera zooms out on Ash and his friends sliding down the hill, May's gloves turn completely blue. (00:09:14)
Continuity mistake: When Ash approaches the bumpers, his bag disappears. This also happens before he points out that the Machoke and Machamp are the same. (00:09:38 - 00:11:16)
Continuity mistake: When Meowth is keeping the net closed, Psyduck's cream-coloured feet turn white. In the same shot, Jessie speaks, but her mouth does not move. (00:10:43)
Continuity mistake: When Emily says that this is the third time Psyduck ran away, May's gloves disappear. (00:13:18)
Continuity mistake: When Ash and his friends leave, the stripe on Ash's bag changes from being above the circle to below it. (00:20:50)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When May says, "So there must be a town nearby!" she is behind Ash, but in the next shot, she disappears. (00:00:21)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When Zander accuses Ash and his friends of stealing, their bags disappear. (00:02:05)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When Zander accuses Ash and his friends of stealing, Ash's legs are not covered by Caterpie's String Shot, but when he and his friends say that they are telling the truth, they are. (00:02:16)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When Dr. Gordon first demonstrates his Future Sight device, the utensils on it are grey, but in the next shot, they are brown. (00:02:36)
Evolution! That Mystery and Wonder!! - S8-E50
Other mistake: When Ash and friends are first in the laboratory, Pikachu's right cheek pouch is missing. (00:03:13)
Evolution! That Mystery and Wonder!! - S8-E50
Other mistake: When Max asks if Zander studies with Dr. Gordon, Pikachu's right cheek pouch is missing. (00:03:50)
Answer: Yes it ran away because Layla hurt its feelings.