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.

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 ...

A beloved sci-fi thriller from the late 2000s is resurfacing on a new free streaming platform. Find out where you can watch ...

While streaming has changed things a lot for modern audiences, there are some old-school sci-fi films that are unbeatable.

With a fifth movie reportedly in the works, the original sci-fi hit, Men in Black, is a massive hit on its free streaming ...

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

Watching a good sci-fi flick that leaves you feeling like your brain just went on a rollercoaster can be a great way to spend a Friday night indoors. Even if the recommendations from your favorite ...

"If it dies, we die." Sarchlight Pictures originally released this sci-fi classic Sunshine back in 2007, but no one went to see it back then when it opened in theaters. Now 18 years later it's ...