Haruka vs Shu! The Final Battle!! - S9-E37
Continuity mistake: When Drew tells Flygon to use Steel Wing for a second time, the tip of Flygon's tail changes from green with red borders to red with green borders. (00:05:25)
Revealing mistake: When Aipom runs off with the crown, its tail passes through a wall. (00:07:34)
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)
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)
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)
Answer: Yes it ran away because Layla hurt its feelings.