Happinas's Happy Nurse! - S3-E13
Continuity mistake: When a front door opens when Ash is next to it, the handle on the door to the right of it is pink, but in the next shot, it is white. Also, Ash's bag is medium-green in colour, but in the next shot, it is dark-green. (00:01:51)
Happinas's Happy Nurse! - S3-E13
Continuity mistake: When Ash is lying on the ground at the front of the Pokémon Center, the right door's handle is white, but when Brock is interested in Blissey when he is next to her, the handle is grey. (00:02:23)
Happinas's Happy Nurse! - S3-E13
Character mistake: When Jessie asks if she can go to Pokémon Nurse School to become a nurse, the flyer she holds misspells Pokémon Nurse School as "Pokemon Nurse School." (00:07:53)
Answer: Yes it ran away because Layla hurt its feelings.