Professor Oak (anime)/Manga/Movie adaptations/Pocket Monsters the Movie: I Choose You! Remix

Professor Oak appeared in ICYR1. When Ash arrived late to his lab, Professor Oak welcomed him. He then informed Ash that the three Pokémon that he wanted were not available. As such, Ash had to choose Pikachu. Professor Oak then explained to Ash about Pikachu. However, both Ash and Pikachu got off on a rocky start since Pikachu used an move on Ash. 