Looking to stream some sci-fi? Here are three great science fiction movies you can watch for free on Tubi, all of which come highly recommended by critics.

Don't miss your chance to watch the critically acclaimed Arrival, directed by Denis Villeneuve, for free on Tubi before it ...

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 ...

Browsing the mammoth selection of movies on Tubi has always been, and will presumably always be, a dizzying experience. None of the other, competing FAST (free ad-supported TV) streamers can seemingly ...

The mission is a man.

One of the most compelling sci-fi films of the 2010s, directed by Alex Garland, has been made available to watch on another ...

Since its inception, sci-fi has captured the imagination of fans with its exciting look into future worlds, exploration of the horrors of technology, and by tapping into humanity's fear of the unknown ...

Sea monsters, aliens, extraterrestrial adventures, paranormal events, and medical mysteries all have one thing in common. They can be the center of a sci-fi movie plot. They probably won't all be the ...