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Slowpoke Island (Japanese: ヤドンの島 Yadon Island) is an anime-exclusive location featured in Slowking's Crowning!. The Island is inhabited by a large group of Slowpoke with a Slowking acting as ruler.
Ash and Goh visited the island with Goh hoping to catch a Slowpoke. Goh quickly shifted his attention to Slowking, only to fail when Slowking stopped the Poké Ball with its Psychic powers. Instead, Slowking was more interested in Ash's noodles and proceeded to take the noodle cup whilst swapping its Shellder crown which landed on Ash's head, taking over his mind. Goh, Raboot, and Pikachu managed to get the crown of Ash's head but it kept landing on the other's heads, causing them to try and get the crown off each other's head. This was stopped when Goh's giant Magikarp crashed onto the island, having earlier been launched into space during the Magikarp High Jump Competition.
Pokémon seen on Slowpoke Island