Mystery at the Lighthouse - S1-E13
Other mistake: When Professor Oak goes to rotate his monitor, his right index finger is intermittently not coloured in. (00:09:15)
Mystery at the Lighthouse - S1-E13
Other mistake: When Ash and friends are first seen walking on a path, Pikachu's cheek pouches are missing. (00:01:14)
Mystery at the Lighthouse - S1-E13
Other mistake: When the front of the Kabuto costume falls off, the part of Bill's body above his arms is missing. (00:12:34)
Mystery at the Lighthouse - S1-E13
Other mistake: When Bill says, "A meaning for all Pokémon, and a meaning all of us humans too," a Sandslash on a screen has an entirely yellow head and has black pupils with white sclerae. Sandslash actually have the lower part of their head coloured cream and have their white pupils with black sclerae. (00:14:01)
Answer: Yes it ran away because Layla hurt its feelings.