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10 Terrifying Sci-Fi Horror 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. Here are ten of the most terrifying sci-fi horror films that are guaranteed to give you nightmares!

Remote
19:28
Remote
Temporarily connected in time, a man tries to prevent the murder of a young woman, living in his house 30 years in the past.
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5 Years After the Fall
01:31:13
Lost Time
01:32:41
Lost Time
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Alien Exorcism
01:47:02
Uncanny Harbor
01:47:10
Uncanny Harbor
A Missing Woman, A Fisherman, A Cold Case reopened - a journey into the otherworldly.
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The Astral Woods
01:22:25
The Astral Woods
Seven Years, Two Million Dollars.
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Spooky+
01:05:38
Spooky+
More than just scares.
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Theater of the Supernatural: The City of the Dead
01:23:59
Theater of the Supernatural: The City of the Dead
The Thrills The Chills of Witchcraft Today
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EnterFear: The Next Wave
01:40:28
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.
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Invasion
06:04
Invasion
A film noir horror about an impending alien invasion.
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