
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

The Second Arrival
›R1998 · Science Fiction, Horror · 105m · Patrick Muldoon, Jane Sibbett, Michael Sarrazin
After Zane Ziminski is found dead five people received envelopes with details of an alien invasion. This group of five includes 3 scientists, Zane's brother Jack, and a reporter. Quickly, the group is down to three and then Jack and Bridget, the reporter. With a small piece of alien technology, they must escape from the aliens, who take human form, and try to convince others that aliens exist.

Cyborg X
›NR2016 · Horror, Science Fiction, Action · 90m · Eve Mauro, Danny Trejo, Jake Stormoen
After X-Corp, a radical weapons manufacturer, is taken over by a Cyber Virus, a group of survivors must fight to save humanity from the army of Machines the Virus now controls.

Gods of the Deep
›2023 · Science Fiction, Thriller, Horror · 80m · Derek Nelson, Makenna Guyler, Rory Wilton
When a daring mission leads a deep sea submarine team into a mysterious opening on the ocean floor, they uncover a lost underwater world and awaken its ancient race of otherworldly beings.

The Phantom Planet
›NR1961 · Science Fiction, Horror · 82m · Dean Fredericks, Coleen Gray, Anthony Dexter
After an asteroid draws an astronaut and his ship to its surface, he is miniaturized by the phantom planet's exotic atmosphere.

Breeders
›R1986 · Horror, Thriller, Science Fiction · 77m · Teresa Farley, Lance Lewman, Frances Sherman
An otherwordly perpetrator has been attacking female virgins in Manhattan. As Dr. Pace and Detective Andriotti work together to identify the strange organic materials found on the women, the victims begin arising in a trance and leaving the hospital.

Battledogs
›2013 · Action, Horror, Science Fiction · 88m · Craig Sheffer, Kate Vernon, Dennis Haysbert
When a strange werewolf virus threatens to decimate first New York and then the world, a rogue general uses the disease to create an army of super-soldiers.

Teenagers from Outer Space
›1959 · Crime, Horror, Science Fiction · 86m · David Love, Dawn Bender, Harvey B. Dunn
A young alien falls for a pretty teenage Earth girl and they team up to try to stop the plans of his invading cohorts, who intend to use Earth as a food-breeding ground for giant lobsters from their planet.

Dr. Jekyll and Ms. Hyde
›PG-131995 · Comedy, Horror, Science Fiction · 90m · Tim Daly, Sean Young, Lysette Anthony
A scientist creating perfumes inherits his great grandfather Dr. Jekyll's formula and decides to use modern technology to improve it. He ends up as an ambitious, ruthless woman. She tries to prevent returning into the spineless man.

Carnosaur 2
›R1995 · Horror, Science Fiction · 83m · John Savage, Cliff DeYoung, Don Stroud
A team of scientists go to a nuclear mining facility to investigate a possible meltdown and instead find a large amount of cloned dinosaurs.

Deep Shock
›2003 · Action, Adventure, Horror · 93m · David Keith, Simmone Mackinnon, Mark Sheppard
When an unknown underwater object disables an American nuclear-powered submarine and attacks a submerged Arctic research complex, a scientific expedition flies to the North Pole to investigate these incidents as well as the sudden, inexplicable rise in temperature that threatens to melt the ice cap and flood the surface of the world.

Strange Blood
›2015 · Science Fiction, Horror · 84m · Robert Brettenaugh, Alexandra Bard, James Adam Lim
When a brilliant but obsessive scientist goes to extremes to develop a universal cure for all disease, he finds himself infected with a bizarre parasite that begins to transform him into a bloodthirsty madman. Time running out, he must find a way to stop the monster that is growing within and prevent the rest of the world from being "cured."

Octaman
›1971 · Horror, Science Fiction · 76m · Pier Angeli, Kerwin Mathews, Jeff Morrow
A scientific team in Mexico discover a pool of unusual baby "octopus-like" specimens. Gathering a few for analysis back at the lab, it is soon discovered that the critters belong to a gangly six-foot half man/half octopus-like creature, that's pretty angry and wants her 'babies' returned…

Vipers
›2008 · Action, Horror, Science Fiction · 95m · Tara Reid, Jonathan Scarfe, Corbin Bernsen
A set of vipers has been taken by scientists to mutate them to make a cure for cancer. As their experiment goes awry, the vipers escape into the woods - they're not only biting people, they're actually killing people, in a little town.

Blackenstein
›R1973 · Science Fiction, Action, Horror · 87m · John Hart, Ivory Stone, Joe De Sue
Eddie is a Vietnam veteran who loses his arms and legs when he steps on a land mine, but a brilliant surgeon is able to attach new limbs. Unfortunately, an insanely jealous assistant (who has fallen in love with Eddie's fiancée) switches Eddie's DNA injections, transforming him into a gigantic killer.

Blood Freak
›R1972 · Science Fiction, Horror · 86m · Steve Hawkes, Dana Cullivan, Heather Hughes
A biker comes upon a girl with a flat tire and offers her a ride home. He winds up at a drug party with the girl's sister, then follows her to a turkey farm owned by her father, a mad scientist. The father turns the biker into a giant turkey monster who goes after drug dealers.

Time Walker
›PG1982 · Horror, Science Fiction · 83m · Ben Murphy, Nina Axelrod, Kevin Brophy
From deep within the tomb of the Egyptian pharaoh Tutankhamun, Professor Douglas McCadden ships the coffin of Ankh-Vanharis to the California Institute of Sciences where X-rays reveal five diamond-like crystals hidden within the coffin. Technician Peter Sharpe steals the crystals but doesn't notice that the powerful X-ray has revived a green fungus. When the coffin is opened at a university press conference, the reporters uncover more than they bargained for. The mummy has disappeared... and the Time Walker is alive again!

The Rift
›2016 · Thriller, Horror, Science Fiction · 90m · Katarina Čas, Ken Foree, Monte Markham
The satellite has vanished and the only clue is a trail leading to a small village nestled on the outskirts of forest line. As the team begins to investigate they quickly discover that something else came back from space, something not of this world. As their time runs out, the team must battle to unlock the terrifying truth behind the ill-fated mission.

The Crater Lake Monster
›PG1977 · Horror, Science Fiction · 85m · Richard Cardella, Glen Roberts, Mark Siegel
The heat of a meteor crashing into the lake incubates a prehistoric egg, which grows into a plesiosaur-like monster that terrifies the community.

Brain of Blood
›1971 · Horror, Science Fiction · 87m · Grant Williams, Kent Taylor, Regina Carrol
Amir, the benevolent ruler of Kalid, is dying, but there is hope. Freshly deceased, he is flown to the United States where Dr. Trenton transplants his brain into the body of a simpleton in a classic "assistant got the wrong kind of body" plot line. Dr. Trenton has a few nefarious plot twists of his own in mind, and then there's the thing with the dwarf and the women chained in the basement. It's up to Amir's friend Bob and wife Tracey to try and salvage this tale.

Zontar: The Thing from Venus
›1967 · Horror, Science Fiction, TV Movie · 80m · John Agar, Susan Bjurman, Tony Huston
A misguided scientist enables an alien from Venus named Zontar to come to earth in order to "help solve man's problems". However, as soon as Zontar arrives on Earth, it quickly becomes obvious that the three-eyed, bat-winged, skeletal black creature has a hidden agenda.

Empire of the Sharks
›2018 · Science Fiction, Action, Horror · 90m · John Savage, Jack Armstrong, Thandi Sebe
On a future earth where 98% of the surface is underwater, a Warlord who controls an army of sharks meets his match when he captures the daughter of a mysterious shark caller who must learn to marshal a supernatural ability if she is to free her people from the Warlord's dominion.

Megalodon: The Frenzy
›2023 · Action, Adventure, Horror · 82m · Eric Roberts, Caroline Williams, Jessica Chancellor
When a frenzy of five Megalodons torment the open ocean, the stakes have never been higher.

Destination: Infestation
›PG-132007 · Action, Science Fiction, Thriller · 87m · Jessalyn Gilsig, Antonio Sabàto Jr., Serge Houde
While on a flight home from Colombia, the plane that Dr. Carrie Ross and her daughter are on is attacked by bullet ants whose sting is the most painful and deadliest on the planet. Joining forces with air marshal Ethan Hart, Dr. Ross, an entomologist, tries desperately to save the flight from disaster. In the end, their struggle brings them closer together and offers the couple hope for the future.

Cell
›R2016 · Horror, Science Fiction, Thriller · 98m · John Cusack, Samuel L. Jackson, Isabelle Fuhrman
When a strange signal pulsates through all cell phone networks worldwide, it starts a murderous epidemic of epic proportions when users become bloodthirsty creatures, and a group of people in New England are among the survivors to deal with the ensuing chaos after.
