Alien

The commercial spaceship Nostromo, returning to Earth, receives a distress signal from an unknown planet, LV-426. Following company procedures, the crew decides to land on the planet to investigate.

Halloween

Michael Myers, at the age of six, is committed to a psychiatric hospital after killing his older sister on Halloween night.
Fifteen years later, he escapes. He returns to his hometown, Haddonfield, to commit a new series of murders.