10 Best Horror Sci-Fi Movies That Will Give You Nightmares

The boundaries between science fiction, thrillers, and horror are often blurred in films. Movies that incorporate elements of all three genres frequently spark debate over what their classification should be.

For example, while some see A Quiet Place as more of a sci-fi thriller, Alien is widely regarded as a sci-fi horror classic. This listicle goes through the 10 best horror sci-fi movies on Reveel that are also full of frightening, suspenseful, and thrilling scenes.

1. Remote

Watch Remote on Reveel

2. 5 Years After the Fall

After the apocalypse, Jacob finds an abandoned stronghold where he fights for his life against humans turned savage.

Watch 5 Years After the Fall on Reveel

3. Lost Time

Valerie’s world turns into a nightmare when an otherworldly light engulfs her and her sister’s car on a lonesome road. Twelve hours later, Valerie emerges alone, her sister vanished without a trace.

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4. Alien Exorcism

Dr. Davide peels back the layers of the alien abduction phenomenon. His hypnosis sessions reveal a conspiracy beyond our stars. It’s a chilling inquiry into whether we are alone—and more importantly, whether we are in control.

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5. Uncanny Harbor

Set in a seaside New England town Arthur, a recluse fisherman, is re-investigated on the mysterious vanishing of his wife, English-teacher Emily two decades ago. Having no-recollection of the night she vanished, Arthur begins to reflect and recall.

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6. The Astral Woods

Ensnared in an insurance scam, a woman finds herself isolated in a woodland cabin, only to stumble upon an enigma that is not of this Earth. The woods whisper ancient secrets, but some are better left uncalled—and unheard.

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7. Spooky+

(“Spooky+”) invites viewers into a shadowy array of sinister tales spun across horror, sci-fi, and fantasy realms. With stories angled for the younger crowd and hosted by the legendary Doug Jones, this anthological journey is a plus-sized treat ready to tickle—and terrorize—your sense of wonder.

Watch Spooky+ on Reveel

8. Theater of the Supernatural: The City of the Dead

Watch Theater of the Supernatural: The City of the Dead on Reveel

9. EnterFear: The Next Wave

Dive into the 80’s buddy comedy vibe in this vibrant sci-fi/horror crossover brimming with irreverent humor and breakout performances. A conquering alien vampire, a psychotic hacker, and estranged heroes clash in a hilarious battle for Earth’s fate.

Watch EnterFear: The Next Wave on Reveel

10. Invasion

An alien detective hunts down a suspected scientist trying to prove aliens exist and possibly reveal their plans to invade earth. His job — stop him before he can warn mankind.

Watch Invasion on Reveel