Sci-fi isn’t known for being low-key, chilled, or relaxing. Aliens, dystopian nightmares, and twisted realities are more than likely provoking a reaction from viewers that flies a lot closer to terrified. Suspenseful and tense, the best sci-fi thriller movies are focused on nailing these themes.

If you’re looking for a semi-stressful movie night served alongside a takeaway with a side of indigestion, then you’re in luck. These standout titles aren’t necessarily overtly scary — see the best space horror movies for that — but they certainly border on it, emulating the perplexing nature of the sci-fi genre. From mind-bendingly claustrophobic apocalypses to hardcore body horrors, they’ll leave you feeling incredibly uncomfortable and like you need a breath of fresh air.

It’s not always the obvious thriller tropes that will unnerve you, though, and we’ll get more into that below. So, why not take a look through the libraries of Paramount Plus, Disney, Netflix, and Amazon Prime in search of your next watch, using this list of the best sci-fi thriller movies for guidance? But, don’t say we didn’t warn you.

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With such a strong plot and oodles of tension, it’s easy to see why director Michael Crichton chose to bring it to the big screen, and why HBO decided to revive it with modern technologies some 40 years later. Despite the movie’s advanced age, it’s more relevant today than it ever has been, and even more unsettling to watch a premonition of AI in the 70s that is eerily more believable now.

Space, you’ll know I’m a bit of a fan of The Thing.

Living amongst the best 80s sci-fi movies, it’s a movie that truly manages to horrify way before CGI was able to lend a huge helping hand. And sometimes, a well-crafted prosthetic and a dash of film trickery can be all that it takes to create something so realistic that it’s truly thrilling.

A research team in Antarctica is thrown into chaos when an extraterrestrial lifeform takes over their base. What’s worse — and unbeknownst to the researchers — the Thing can infect them, imitating the appearance of those it kills.

Thus comes a tense game of trust and mistrust that has every single person on the base questioning who is real. And rightly so, as this unknown creature is as relentless as it is horrifying.