Watch Lightning McQueen take on his toughest competitors on the dirt racetrack of Radiator Springs to the Piston Cup! Is there a racetrack that Lightning McQueen can’t race on? Watch More Cars on Disney Jr. here: Available on Disney+ Race car Lightning McQueen is living in the fast he hits a detour and gets stranded in Radiator Springs, a forgotten town on Route 66. There he meets a heap of hilarious characters who help him discover there's more to life than fame.