Amazon Prime Video has a ton of sci-fi movies that you can stream at a moment’s notice.

But you might have a better chance of flying to Mars without a spaceship than finding great genre movies among titles like the Transformers knockoff, Transmorphers: Mech Beasts.

Fortunately, Prime Video added a pair of worthy additions in September: Children of Men and Lifeforce, the latter of which is celebrating its 40th anniversary this year.

You can find both of these films with the rest of the Watch With Us team’s picks for the must-watch sci-fi movies on Amazon Prime Video right now.

Need more recommendations? Then check out Must-Watch New Movies on Netflix, HBO and Max, Hulu, Amazon Prime, and More, Great Movies on Amazon Prime Video Right Now, the Best Action Movies on Netflix Right Now and

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