While traveling to California to race against Sonic the Hedgehog (Roger Craig Smith) and Green Goblin (Willem Dafoe) for the Piston Cup Championship, Hiro Hamada (Ben Savage) becomes lost after falling out of his trailer in a run down town called Radium Springs. While there he slowly befriends the town's odd residents, including Honey Lemon (Amanda Bynes), Sensei Wu (Jackie Chan) and SpongeBob SquarePants (Tom Kenny). When it comes time for him to leave to championship is no longer his top priority.
