The Terminator (1984)

In the 1984 film "The Terminator," directed by James Cameron, a cyborg assassin, played by Arnold Schwarzenegger, is sent back in time from a post-apocalyptic future to kill Sarah Connor, played by Linda Hamilton, before she gives birth to the leader of the human resistance against the machines. A soldier from the future, Kyle Reese, played by Michael Biehn, is also sent back in time to protect Sarah. The movie is a sci-fi action classic known for its groundbreaking special effects and intense action sequences.