Tubi

Tubi is another watching website that Toplist wants to mention on this list. If you are a sci-fi lover craving to enjoy these futuristic genres without paying any fee, then Tubi is for you. When visiting this site, users can access a collection of thousands of titles from various genres, including action, comedy, drama, documentaries, and of course sci-fi.

As stated above, Tubi is completely free, meaning that there is no need to pay any subscription fees as well as register an account to enjoy its collections. Instead, the service is supported by ads, which play intermittently during the programs. This is a subtle shortcoming among lots of attractive features it brings.

While the available titles may vary over time, there are some examples of sci-fi titles that have been featured on Tubi such as "The Matrix", "District 9", "Primer", and more. These films with captivating features and thought-provoking themes can absolutely bring intricate worlds for users.