2025 has arrived, and so has a new batch of sci-fi movies streaming completely for free! From Tubi to Pluto TV and even no-cost options on Peacock, there’s a ton of free content to be enjoyed.

Check out these great sci-fi movies like Species and Super 8, which are now streaming for free on Tubi and other sites.

Explore the greatest sci-fi titles that emerged amidst rock, roll, and the Golden Age in our round-up of the best 50s sci-fi movies.

The 1990s was a time of firsts in the sci-fi genre - the beginnings of much-loved franchises, an exploration of new technologies, and a chance for directors to create new worlds like never before.

These three underrated sci-fi movies on Amazon Prime Video are free and can be streamed this month. Previously, Amazon had these titles under its Freevee umbrella.

Check out some of the best sci-fi flicks you can find on the free service. Comments (0) When you purchase through links on our site, we may earn an affiliate commission.

One of the most underrated sci-fi thriller movies is streaming free on Prime Video — it’s even more intense than I remember. 3 best Prime Video sci-fi movies to stream right now.