Stars: Sigourney Weaver, Tom Skerritt, John HurtĬonduits, canals and cloaca-Ridley Scott’s ode to claustrophobia leaves little room to breathe, cramming its blue collar archetypes through spaces much too small to sustain any sort of sanity, and much too unforgiving to survive.

Here are the 20 best sci-fi movies streaming on Amazon Prime: You may also want to consult the following, sci-fi centric lists: We’ve dug through pages and pages of free sci-fi offerings for Amazon Prime members and found a handful worth your time, from hilarious satires to graphically violent satires, from iconic, controversial picks to a few from as recently as last year.

The sci-fi movie selection on Amazon Prime is considerable, and all over the map-classic sci-fi from the 1970s and ’80s, recent blockbusters, indie gems-and representative of such a dearth of quality, buttressed by butt-loads of low-budget B-movies, that browsing for the good stuff is more than difficult.