Hoping to alter the events of the past, a 19th century inventor instead travels 800,000 years into the future, where he finds mankind divided into two warring races.

Testing his theories with a time machine of his own invention, Hartdegen is hurtled 800,000 years into the future, where he discovers that mankind has divided into the hunter - and the hunted.

Can humans truly relate to a machine the way we relate to each ... Alien also ranks highly on our list of best horror movies of all time. It is absolutely one of the best science fiction movies ...