Evolution! That Mystery and Wonder!! - S8-E50
Revealing mistake: When Caterpie leaves the laboratory, it clips through it. (00:09:20)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When Zander tells Caterpie to not leave, Ash and Max's bags disappear. (00:09:23)
Evolution! That Mystery and Wonder!! - S8-E50
Other mistake: When Caterpie and the city are first seen, part of Caterpie's body is mistakenly coloured yellow instead of green. (00:09:26)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When two people stop on a bridge to watch Caterpie, the man with the blue jacket has his body facing away from Caterpie, but in the next shot, it faces towards it. (00:09:40)
Evolution! That Mystery and Wonder!! - S8-E50
Other mistake: In the shot before the Pokémon Trainer's Choice, Caterpie's mouth is mistakenly coloured yellow instead of green. Also, its shadow appears in midair. (00:09:45)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When Dr. Gordon collapses after pulling the wagon, part of his hair goes from being present to being absent. (00:10:33)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When part of the radio tower begins collapsing, Caterpie mistakenly has five feet instead of four. Also, the part Caterpie is on is bent, but in the next shot, it is straight. (00:10:50)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When Dr. Gordon says that one of his experiments caused Caterpie to become large, Ash is behind a violet building, but in the next shot, he is behind an orange building and a violet one. Also, May is to the right of him, but in the next shot, she vanishes. (00:11:21)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When Cacnea gets off James, the diamonds on its sides disappear. (00:14:45)
Evolution! That Mystery and Wonder!! - S8-E50
Audio problem: When Officer Jenny is dodging, her and Brock's mouths are not moving when they speak. (00:16:49)
Evolution! That Mystery and Wonder!! - S8-E50
Revealing mistake: When the jeep lands onto the ground, part of Max's glasses are missing. (00:16:51)
Evolution! That Mystery and Wonder!! - S8-E50
Continuity mistake: When Dustox ducks under the power line, the markings on its wings disappear. (00:17:34)
Answer: Yes it ran away because Layla hurt its feelings.