The Little family adopt a charming young mouse named Stuart, but the family cat wants rid of him.
After visiting 2015, Marty McFly must repeat his visit to 1955 to prevent disastrous changes to 1985...without interfering with his first trip.
Enjoying a peaceable existence in 1885, Doctor Emmet Brown is about to be killed by Buford "Mad Dog" Tannen. Marty McFly travels back in time to save his friend.