Sub-genre
Sci-Fi Horror
🛸 Every sci-fi horror title worth your dread, gathered and ranked by the Crypt Score — our audience-first blend of IMDb, Rotten Tomatoes, Metacritic, and viewer reviews.
1342 titles
Attack of the Giant Leeches
›NR1959 · Horror, Science Fiction · 62m · Ken Clark, Yvette Vickers, Jan Shepard
A backwoods game warden and a local doctor discover that giant leeches are responsible for disappearances and deaths in a local swamp, but the local police don't believe them.
Hydra
›2009 · TV Movie, Horror, Science Fiction · 94m · Dwayne Adway, Dawn Olivieri, Texas Battle
The Most Dangerous Game formula gets a monstrous twist as the mythical Hydra turns the tables on a group of wealthy human-hunters. Kidnapped along with three ex-convicts, former Marine Tim Nolan is transported to a deserted island where the super rich pay a fortune to hunt human prey. But this island isn't exactly deserted; it's actually home to Hydra the Beast!
Zombie Shark
›2015 · Horror, Science Fiction, TV Movie · 90m · Cassie Steele, Jason London, Laura Cayouette
A perfect getaway weekend turns into a nightmare for four friends who find themselves fighting for their lives against an experimental shark. In order to survive they must fight sharks, zombies, and shark zombies.
The Black Hole
›PG2006 · Science Fiction, Thriller, TV Movie · 90m · Kristy Swanson, Judd Nelson, David Selby
It's 2 A.M. in St. Louis when a routine scientific experiment goes terribly wrong and an explosion shakes the city. A scientific team investigates, clashing with an intergalactic, voltage-devouring creature that vaporizes them.
The Bone Snatcher
›R2003 · Science Fiction, Horror · 90m · Scott Bairstow, Rachel Shelley, Warrick Grier
After miners disappear in the Namib Desert, some scientists find their remains and the demonic creature that killed them.
Sharkansas Women's Prison Massacre
›2015 · TV Movie, Science Fiction, Action · 84m · Dominique Swain, Traci Lords, Christine Nguyen
When a fracking mishap accidentally rips apart the earth’s crust, the resulting hole opens up a gaping underground water way to a vast and mysterious ocean somewhere deep below. Instantly, giant prehistoric sharks begin wending their way upward toward a murky bog in the heart of the Arkansas Bayou. Unfortunately, for a group of female prisoners on a work detail in the swamp, the deadly sharks attack without warning – pinning a hapless group of intended victims in a small deserted cabin in the heart of the wetlands. Death may be the only means of escape!
Triassic Attack
›NR2010 · Horror, Science Fiction, TV Movie · 84m · Steven Brand, Kirsty Mitchell, Emilia Clarke
A Native American owner of a kitschy roadside museum accidentally brings to life three dinosaur fossils. Now really annoyed, the giant dinos wreak havoc on the small town and the local university.
Hangar 10
›2014 · Thriller, Horror, Science Fiction · 87m · Danny Shayler, Abbie Salt, Robert Curtis
33 years after the infamous Rendlesham Forest UFO incident, three metal detector enthusiasts hunting for Saxon gold in the same region, capture incredible footage of UFO's whilst filming their expedition. As night falls and with their navigation equipment failing, they find themselves facing a terrifying encounter with an unforgiving alien presence.
Killers from Space
›NR1954 · Horror, Science Fiction · 71m · Peter Graves, Barbara Bestar, James Seay
Atomic scientist/pilot Doug Martin is missing after his plane crashes on an reconnaissance mission after a nuclear test. Miraculously appearing unhurt at the base later, he is given sodium amethol, but authorities are skeptical of his story that he was captured by aliens determined to conquer the Earth with giant monsters and insects. Martin vows to use existing technology to destroy them.
Spiders II: Breeding Ground
›2001 · Horror, Science Fiction · 96m · Stephanie Niznik, Greg Cromer, Daniel Quinn
Happy couple Jason and Alexandra lose their sail yacht in a storm and are grateful to get picked up by Captain Jim Bigelow's commercial carrier. Suspicious about the ship's doctor and realizing the ship is improbably empty and the radio not broken as the crew claims, Jason starts snooping around. Bodies on meat-hooks, genetic experimentation and giant spiders are what he finds.
Alienator
›R1990 · Action, Science Fiction, Thriller · 93m · Jan-Michael Vincent, John Phillip Law, Teagan Clive
A space commander sends a female android to Earth to destroy an escaped convict.
Python 2
›PG-132002 · Horror, Science Fiction · 89m · William Zabka, Dana Ashbrook, Alex Jolig
A man, his business partner, and his wife are enlisted to transport an unknown object from a Russian military base, only to discover that the object is a giant, genetically-altered python.
Dead Trigger
›R2017 · Action, Horror · 92m · Dolph Lundgren, Autumn Reeser, Romeo
2021 - 5 years after the outbreak of a mysterious virus that turned humans into bloodthirsty, undead beasts much of the world’s population has been decimated. When governments were unable to keep the disease at bay, the Contagion Special Unit was formed with the toughest soldiers and best specialists to fight the infected. Because of the rapidly decreasing number of soldiers, a popular online video game Dead Trigger that mirrors the terrifying events was created. The best efforts of the gamers are monitored by the CSU who recruit the highest rated zombie killers. The young recruits are called “Dead Triggers”. The movie follows a group of young recruits who must travel to the origin of the outbreak to find a missing team of scientists who were searching for a cure.
Martian Land
›NR2015 · Adventure, Science Fiction, Action · 90m · Alan Pietruszewski, Lane Townsend, Jennifer Dorogi
In the distant future, mankind lives on Mars, in cities that resemble those once found on Earth, protected from the alien atmosphere by dome-like force-fields. When a massive sandstorm breaks through the dome and destroys Mars New York, those in Mars Los Angeles must figure out how to stop the storm before it wipes them out next.
Dinocroc
›R2004 · Horror, Science Fiction, Thriller · 86m · Costas Mandylor, Charles Napier, Bruce Weitz
After an African dinosaur ancestor of the crocodile is found, Dr. Campbell uses its DNA to create prototypes at Paula Kennedy's Gereco lab.
New Alcatraz
›R2001 · Science Fiction, Horror, Action · 95m · Dean Cain, Lisa Lackey, Mark Sheppard
Paleontologist Robert Trenton is called to Northeastern Antarctica near the Indian Ocean to help the FBI build an underground maximum-security military base and prison for the world's most dangerous criminals and terrorists, which is dubbed "New Alcatrax" by the staff. While building the prison, the staff accidentally awaken and unleash a prehistoric Boa Constrictor from its 200 year hibernation.
Extinction
›2014 · Thriller, Adventure · 100m · Ben Loyd-Holmes, Sarah Mac, Neil Newbon
Deep in the Amazon jungle a group of scientists are on a dangerous mission. When their guide suddenly abandons them, they find themselves in a savage and hostile environment. However, things turn deadly when they find they are in the middle of a hunting ground for a pack of prehistoric predators long thought extinct.
Tank 432
›2015 · Action, Horror, Thriller · 84m · Rupert Evans, Steve Garry, Deirdre Mullins
With nowhere else to hide, a group of mercenaries and their prisoners take cover inside a long abandoned Bulldog tank. But, while they try to keep the forces outside at bay, the real enemy is already among them, locked inside the 'Belly of the Bulldog'. After collaborating closely with Ben Wheatley on FREE FIRE, HIGH-RISE, A FIELD IN ENGLAND and KILL LIST, director Nick Gillespie makes his feature debut.
The Galaxy Invader
›PG1985 · Horror, Science Fiction, Crime · 79m · Richard Ruxton, Faye Tilles, George Stover
An alien is hunted by a gang of drunken hillbillies who saw him crash-land his spaceship.
Naked Souls
›R1996 · Science Fiction, Thriller · 85m · Brian Krause, Pamela Anderson, David Warner
Edward is busy trying to unlock the secrets of reading and recording people's thoughts. He is very involved with his work leaving little room for girlfriend Britt. Longstreet comes along and offers Edward a place to do his research and have unlimited funding. There are, however, ulterior motives as Edward is also somehow unlocking the secrets of eternal life.
Alienate
›2016 · Drama, Horror, Science Fiction · 90m · Blake Webb, Tatum Langton, Jaclyn Hales
A couple on the brink of ending their marriage spend a weekend in different cities. After a cataclysmic event strikes, the husband embarks on a physical and emotional quest to return home as a nation prepares for the worst.
Blue Demon
›PG-132004 · Action, Horror, Thriller · 95m · Dedee Pfeiffer, Randall Batinkoff, Danny Woodburn
The "Blue Demon" project is an attempt by a team of scientists to train Great White sharks to protect America's coastline from any intruders.
Lost Time
›2014 · Thriller, Horror, Science Fiction · 93m · Rochelle Vallese, Luke Goss, Robert Davi
After leaving a doctor visit with the worst news, Valerie Dreyfuss and her sister Melissa come to a stop on a lonely stretch of road. Their car is engulfed by a blinding light....12 hours later Valerie wakes to the horror that her sister is gone, nowhere to be found.
Bela Lugosi Meets a Brooklyn Gorilla
›1952 · Comedy, Science Fiction, Horror · 74m · Bela Lugosi, Duke Mitchell, Sammy Petrillo
The entertainment duo Mitchell & Petrillo, en route to a USO show for troops in Guam, fall out of their plane and end up on the jungle island of Cola Cola, where the mad scientist Dr. Zabor is conducting evolutionary experiments.