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Primeape Goes Bananas - S1-E25
Continuity mistake: When Ash catches Primeape, Pikachu's tail changes from yellow with a brown base to brown with a yellow base. (00:18:23)
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Primeape Goes Bananas - S1-E25
Revealing mistake: When Misty and Brock pick up Ash while Team Rocket is fighting Primeape, Brock's left arm passes through him. (00:11:45)
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Primeape Goes Bananas - S1-E25
Continuity mistake: When Team Rocket jumps into a fight with Primeape, Ekans' purple bands turn yellow. (00:11:42)
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Primeape Goes Bananas - S1-E25
Continuity mistake: When Ash and his friends duck as Jessie is sent flying, the orange stripe on Ash's bag disappears. (00:11:12)
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Primeape Goes Bananas - S1-E25
Continuity mistake: After James kicks Mankey, the inside of Ash's jacket changes from blue to green. (00:09:13)
Answer: Yes it ran away because Layla hurt its feelings.