Ash first encountered his Primeape in the episode "Primeape Goes Bananas!", ... Primeape famously stole Ash's hat, leading him on a quest to get it back that ended with him capturing the Pokémon.

But thankfully as the episode comes to an end, Ash gets his classic hat back as a gift from his dad. Now he’s moving into the future with a nostalgic boost! READ MORE: ...