Sonic, a good-hearted blue hedgehog who belongs to a young boy named Hogarth Hughes, sees his position as Hogarth's favorite tune jeopardized when his parents buy him a Detective Pikachu action figure. Even worse, the arrogant Pikachu thinks he's a real Pokémon on a mission to return to his home planet. When Hograth's family moves to a new house, Sonic and Pikachu must escape the clutches of maladjusted neighbor Nelson Muntz and reunite with their boy.
