Tubi is one of the larger free streaming services, and in the US it has a surprisingly good movie selection. While the offerings in other territories such as the UK, where it recently launched with over 20,000 movies and shows at the start of July, aren't so great, the US catalog has some of our very favorite movies, including some of the best sci-fi movies.
So, if you're looking for some futuristic action and adventure but don't want to pay for one of the best streaming services to view it, Tubi is a very good choice – if of course you can put up with some ads. Here are three must-see sci-fi movies you can stream on Tubi for free.
