In 2257, a taxi driver is unintentionally given the task of saving a young girl who is part of the key that will ensure the survival of humanity.

When an asteroid threatens to collide with Earth, NASA honcho Dan Truman determines the only way to stop it is to drill into its surface and detonate a nuclear bomb. This leads him to renowned driller Harry Stamper, who agrees to helm the dangerous space mission provided he can bring along his own hotshot crew. Among them is the cocksu...

Axel Foley returns to the land of sunshine and palm trees to investigate the near-fatal shooting of police Captain Andrew Bogomil. With the help of Sgt. Taggart and Det. Rosewood, they soon uncover that the shooting is associated with a series of "alphabet" robberies masterminded by a heartless weapons kingpin—and the chase is on.

A team of elite commandos on a secret mission in a Central American jungle come to find themselves hunted by an extraterrestrial warrior.

The final installment finds Marty digging the trusty DeLorean out of a mineshaft and looking for Doc in the Wild West of 1885. But when their time machine breaks down, the travelers are stranded in a land of spurs. More problems arise when Doc falls for pretty schoolteacher Clara Clayton, and Marty tangles with Buford Tannen.