Forbidden Planet

In this groundbreaking 1956 science fiction film, a starship crew travels to a distant planet to investigate the silence of a colony only to discover two survivors and a deadly secret. The film stars Leslie Nielsen, Anne Francis, and Walter Pidgeon, and is noted for its pioneering use of special effects and electronic music. Directed by Fred M. Wilcox, it is often credited with influencing future sci-fi cinema. The movie can be viewed on Soap2day for free.