There were many sci-fi movies in the 1950s which adapted contemporary novels, but 20,000 Leagues Under the Sea is based on a Jules Verne novel from 1870.

What these ten 1950s sci-fi movies achieved paved the way for a multitude of movies that followed, ... Amazon Prime Video - Free Trial. View. at Amazon Prime. 9. When Worlds Collide.

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.

These excellent sci-fi movies are free to watch on Tubi today. ... Try one of our favorite picks below of the best sci-fi movies on Tubi right now. ‘Coherence' ...

Good news for viewers everywhere — tons of great sci-fi movies are streaming completely for free! There is plenty of free content on services like Tubi, Pluto TV, and Peacock’s no-cost option.