Alien

In this 1979 sci-fi horror classic directed by Ridley Scott, the crew of the commercial space tug Nostromo encounters a deadly extraterrestrial lifeform after investigating a distress signal from an unexplored planet. The film stars Sigourney Weaver in a breakout role as the resilient and resourceful Ripley. Known for its atmospheric tension and groundbreaking special effects, the movie has become a seminal work in both the science fiction and horror genres. It won the Academy Award for Best Visual Effects and can be viewed on Soap2day for free.