From Galaxy Quest to Minority Report, Tubi has science fiction movies of every flavor — and they're all free to stream.

One of the most critically-acclaimed sci-fi movies ever is a decade old in 2026, but time is running out to watch it for free ...

The 1980s is a decade known for great sci-fi, but some of its movies are severely underrated and underwatched.

The 1980s were an era where sci-fi movies were hitting a high spot, and every year of the decade had landmark and groundbreaking films that remain masterpieces of the genre. These included sequels and ...

If you’re looking for some good sci-fi to watch without spending any money, Prime Video has a few solid options available for free. From dark thrillers to time-bending stories set in the future, these ...