Continuity mistake: In "Hot Matches!" when the Pokédex provides facts on Skarmory, its rectangular buttons are 10 millimetres away from each other, but when the Pokédex provides facts on Ursaring in this episode, the buttons are five millimetres away. Also, the antenna goes from being present to absent. (00:05:20)
Continuity mistake: When James says that the Ursaring are after him, Meowth, and Misty, Misty's bag is on both of her shoulders. But in the next shot, it is only on her right shoulder. (00:05:40)
Continuity mistake: After James says that he and Meowth do not need to worry about Jessie, pads appear on Meowth's forepaws. (00:06:15)
Continuity mistake: When Misty, James, and Meowth first have to decide, Misty's bag disappears. (00:06:31)
Continuity mistake: When Jessie asks if the food is ready, her gloves change from not covering her sleeves to covering them. (00:07:13)
Continuity mistake: When the Ursaring cut the bridge's supports, their black noses turned white twice. (00:15:47)
Continuity mistake: When everyone is hanging on the bridge, Jessie's glove disappears. (00:15:57)
Answer: Yes it ran away because Layla hurt its feelings.