Continuity mistake: In one shot during Randall's flashback, the stripes on his shoes disappear. (00:09:22)
Continuity mistake: When Ash and Randall are about to attempt to break the pod Pikachu is in, Randall does not have his hat, but in the next shot, it appears. (00:17:27)
Continuity mistake: Before Ash, his friends, and the kindergartners throw their balls into the air, one of Ash's gloves disappears. (00:11:33)
Giving Chase at the Rhyhorn Race! - S17-E7
Continuity mistake: When Ash and his friends look at the Rhyhorn, Ash's gloves turn completely black. This also happens when he puts on his uniform. (00:07:09 - 00:09:46)
Giving Chase at the Rhyhorn Race! - S17-E7
Continuity mistake: When Serena says that she wanted to meet Ash, the stripe on Ash's sleeve disappears. (00:05:16)
Kalos, Where Dreams and Adventures Begin! - S17-E1
Continuity mistake: When a Fletchling lands at a kitchen window's wooden slat, the slat is one centimetre past the window, but in the next shot, it is four centimetres past. (00:00:08)
Answer: Yes it ran away because Layla hurt its feelings.