A short while ago, I discovered the full version of John Carpenter’s 1974 film Dark Star out on Youtube. It’s a goofy, low budget, comedy sci fi student film that was turned into a theatrical release. Dan O’Bannon was the screenwriter (and plays Pinback in the movie) and he turned one of the subplots into the movie Alien. O’Bannon said, “I figured, ‘If I can’t make them laugh, maybe I can make them scream.’ The rest is history.” So whenever you watch any Alien film, just remember it had its roots in a comedy.
And this movie was an inspiration for Doug Naylor when he co-created Red Dwarf.
If you do choose to watch this movie, just keep in mind it was a low budget student film project.