Best movies like The Terror Beneath the Sea
Last updated March 2024
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Plot Summary:
While covering a test of guided torpedoes, two reporters believe they see what appears to be a strange-looking swimming creature. They investigate the matter further and discover that there is a race of fish-men living under the sea. The fish-men capture the pair and keep them prisoner in their underwater city.
IMDB Rating: 4.7
IMDB Votes: 598
Genere: Horror, Sci-Fi
Country: Japan, Italy, USA
Duration: 90 min
Plot tags: psychotronic, independent film, cult film
Best tv shows and movies like The Terror Beneath the Sea (1966):
Similar in 79%
Rana: The Legend of Shadow Lake (1980)
Plot Summary:
When Kelly Morgan was 11 years old he had a terrifying encounter with Rana, a strange half man/half frog monster living in a lake. The creature killed his father and many other people before Kelly destroyed it. Now as a young man he returns to search for the monster's hidden treasure, and to see if the legendary creature really was killed.
IMDB Rating: 3.1
IMDB Votes: 603
Genere: Adventure, Horror, Sci-Fi
Country: USA
Duration: 96 min
Plot tags: grindhouse, natural horror, independent film, psychotronic
Similar in 83%
Watchers Reborn (1998)
Plot Summary:
An extra-smart dog and detective team up to stop a DNA enhanced killer.
IMDB Rating: 3.7
IMDB Votes: 793
Genere: Horror, Sci-Fi
Country: USA
Duration: 90 min
Plot tags: detective, psychotronic, independent film
Similar in 87%
Creatures from the Abyss (1994)
Plot Summary:
Five teenagers embark on a boating trip off the coast of Florida. The teens get hopelessly lost at sea after they get caught in a fierce storm. Fortunately, the quintet stumble across an abandoned yacht in the middle of the ocean with a mysterious biology lab on board it. Unfortunately, there are also ferocious mutated prehistoric fish running amok on the yacht. Will any of the teens survive this harrowing ordeal?.
IMDB Rating: 4.3
IMDB Votes: 904
Genere: Horror, Sci-Fi
Country: Italy
Duration: 86 min
Plot tags: suspense, mysterious, surprise ending, psychotronic
Similar in 82%
Horror of the Humongous Hungry Hungan (1991)
Plot Summary:
A genetic experiment goes wrong as it creates a hideous monster from dead body parts:a re-animated corpse thirsty for blood.
IMDB Rating: 2.8
IMDB Votes: 125
Genere: Horror, Sci-Fi
Country: USA
Duration: 98 min
Plot tags: psychotronic, independent film
Similar in 89%
Sting of Death (1966)
Plot Summary:
A mutant jellyfish stalks biology students in the Florida everglades.
IMDB Rating: 4.4
IMDB Votes: 682
Genere: Horror, Sci-Fi
Country: USA
Duration: 80 min
Plot tags: suspense, natural horror, sexy, independent film, psychotronic, weird
Similar in 81%
Within the Rock (1996)
Plot Summary:
Space miners sent to stop a moon's collision course with the earth discover a hibernating creature that soon revives and starts slaughtering the mining crew.
IMDB Rating: 4.3
IMDB Votes: 714
Genere: Horror, Sci-Fi
Country: USA, Canada
Duration: 85 min
Plot tags: independent film, cult film
Similar in 89%
Alien from the Deep (1989)
Plot Summary:
Somewhere deep in the jungle a chemical corporation dumps tons of toxic waste in a still active volcano. Two environmentalists try to expose these illegal ways of getting rid of hugely dangerous waste, but they get caught by the vigilantes working for the company. One of them, the super-hot Maria Giulia Cavalli, manages to escape and she is saved by a snake farmer who lives alone in the jungle. Together they try to bring down the company, but it’s too late. Years of chemical poisoning have spawned a deadly monster that is set out to exact revenge on humans that have unknowingly brought him to life. Directed by legendary Antonio Margheriti, the unholy master of Italian B movies, Alien from the Deep is one of the most beloved Italian rip-offs. A wildly entertaining ride, the movie is an inventive crossover where lots of different genres and styles are mixed.
IMDB Rating: 4.1
IMDB Votes: 772
Genere: Sci-Fi, Horror
Country: Italy
Duration: 91 min
Plot tags: gothic horror, classic horror, independent film
Similar in 87%
Killer Fish (1979)
Plot Summary:
Jewel thieves attempt to recover treasure from piranha infested waters. Mistrust and betrayals happen amongst the gang in the quest for gold.
IMDB Rating: 4.2
IMDB Votes: 2000
Genere: Horror, Sci-Fi, Thriller
Country: Italy, USA, UK, Brazil
Duration: 101 min
Plot tags: natural horror, grindhouse, psychotronic, surprise ending, independent film
Similar in 77%
Aquanoids (2003)
Plot Summary:
On a small island off the California coast it's the Fourth of July and tourists are washing up dead in Babylon Bay, once again! In 1987, rumor has it that mysterious sea creatures called Aquanoids were responsible for 17 vicious deaths. The Mayor dispelled the sightings as urban legend to protect the local tourist trade. Join environmental activist Vanessa DuMont as her fight to save the endangered abalone on Santa Clara Island turns into a fight of her life.
IMDB Rating: 2.4
IMDB Votes: 614
Genere: Horror
Country: USA
Duration: 90 min
Plot tags: suspense, psychotronic, independent film
Similar in 82%
Creature of Destruction (1968)
Plot Summary:
A resort hypnotist and his assistant predict murders, which she then commits as a fanged monster.
IMDB Rating: 3.2
IMDB Votes: 382
Genere: Horror, Sci-Fi
Country: USA
Duration: 80 min
Plot tags: psychotronic, independent film
Similar in 89%
'It's Alive!' (1969)
Plot Summary:
A farmer traps three people in a cave with his pet prehistoric monster.
IMDB Rating: 2.7
IMDB Votes: 954
Genere: Horror, Sci-Fi
Country: USA
Duration: 80 min
Plot tags: natural horror, independent film, scary, offbeat, semi serious, psychotronic, spoof, parody, campy
Similar in 81%
Project: Metalbeast (1995)
Plot Summary:
With the medical breakthrough of a metal-based synthetic skin called "bio-ferron" the prospect for pioneering surgeries for burn victims and cancer patients seems set to occur but for the warped head scientist in charge...it's a opportunist chance to reactivate a long forgotten classified project...that has been left frozen in a set of cryogenic chambers deep beneath the bowels of government laboratory. Convincing the other in the research team to start work on putting this living 'metal' skin on corpses, he now has the perfect test patients waiting on ice for them to work on. But there was a reason three of these stiffs in particular where left to chill. Due to an experiment gone bad these three only look human on the outside and none of them are as dead as everyone believes they are.
IMDB Rating: 4.5
IMDB Votes: 1000
Genere: Horror, Sci-Fi
Country: USA
Duration: 92 min
Plot tags: exciting, enigmatic, captivating, suspenseful, psychotronic, slasher, cult horror, independent film, spooky, cult film
Similar in 84%
Terror in the Swamp (1985)
Plot Summary:
In effort to create the perfect nutria for breeding by the fur industry, a scientist and his assistant inadvertently create a brutal mutation that escapes into the nearby swamps.
IMDB Rating: 3.6
IMDB Votes: 207
Genere: Horror, Sci-Fi
Country: USA
Duration: 87 min
Plot tags: slasher
Similar in 86%
Spawn of the Slithis (1978)
Plot Summary:
A nuclear leak creates a mutant Slithis sea monster, which terrorizes the variety of pets, winos, and hippies who hang around Venice, California.
IMDB Rating: 4.0
IMDB Votes: 1000
Genere: Horror, Sci-Fi
Country: USA
Duration: 86 min
Plot tags: surprise ending, psychotronic, independent film, cult film
Similar in 90%
Weasels Rip My Flesh (1979)
Plot Summary:
Returning from the planet Venus, an errant NASA spacecraft crashes into the ocean, spilling its radioactive cargo. Enveloped by a radioactive mass, a rabid weasel is transformed into a gigantic killer mutant. Prowling the countryside, the huge weasel kills and devours victims. The creature is captured by a disturbed scientist who plans to use its regenerative blood to amass an army of similar monsters, enabling him to conquer the Earth.
IMDB Rating: 3.1
IMDB Votes: 490
Genere: Horror, Sci-Fi
Country: USA
Duration: 67 min
Plot tags: psychotronic, independent film, detective, natural horror, weird, cult film
Similar in 82%
Ticks (1993)
Plot Summary:
Teens camping in a northern California retreat are terrorized by mutant insects created by evil, polluting pot farmers.
IMDB Rating: 5.5
IMDB Votes: 6000
Genere: Horror, Sci-Fi
Country: USA
Duration: 85 min
Plot tags: scary, tense, rough, semi serious, natural horror, retro, dark, independent film, psychotronic, weird
Similar in 75%
The Creature Below (2016)
Plot Summary:
A young scientist discovers a malevolent entity which sets her on a bloody descent into the jaws of insanity.
IMDB Rating: 3.8
IMDB Votes: 1000
Genere: Horror, Sci-Fi
Country: UK
Duration: 83 min
Plot tags: lovecraft, scary, rough, bleak, suspenseful, spooky, psychotronic
Similar in 78%
The Being (1981)
Plot Summary:
Toxic waste dumping in a small Idaho town turns a young boy into horrible mutant monster. The town's police chief and a government scientist team up to stop the monster, which is quickly killing off the town's citizenry.
IMDB Rating: 4.4
IMDB Votes: 2000
Genere: Horror, Sci-Fi
Country: USA
Duration: 82 min
Plot tags: slasher, retro, cult classic, cult horror, psychotronic, independent film, spooky, cult film
Similar in 79%
The Navy vs. the Night Monsters (1966)
Plot Summary:
US Navy battles monsters unearthed from the frozen arctic.
IMDB Rating: 3.6
IMDB Votes: 780
Genere: Horror, Sci-Fi
Country: USA
Duration: 87 min
Plot tags: retro, suspense, natural horror, psychotronic, independent film, lovecraft, campy
Similar in 87%
Island Claws (1980)
Plot Summary:
A biological experiment in Florida goes awry. The result: 8-foot long land crabs which roar loudly and kill everything in sight.
IMDB Rating: 4.3
IMDB Votes: 553
Genere: Horror, Sci-Fi
Country: USA
Duration: 90 min
Plot tags: psychotronic, independent film
Similar in 90%
Biohazard: The Alien Force (1994)
Plot Summary:
Triton Indutries has created a genetically-engineered creature using DNA from human sources. During the course of the experiment, however, the host mother carrying the mutant escapes from the laboratory compound, giving birth shortly thereafter. The intellient "baby" beings hunting down and killing its male DNA donors, while at the same time trying to mate with its female donors. The head of the lab wants to destroy the monster before the press can get wind of the story, but the former head of security wants to expose the whole thing.
IMDB Rating: 3.3
IMDB Votes: 208
Genere: Horror, Sci-Fi
Country: USA
Duration: 88 min
Plot tags: independent film
Similar in 90%
Unseen Evil 2 (2004)
Plot Summary:
After a series of brutal, unexplained murders in a remote forest, a rogue military unit is recruited to hunt for whoever - or whatever - has rendered the attacks. In order to carry out the investigation, they need the help of the only survivor, Kate. But first they have to get her released from the mental institution she's been confined to since the horrific attack. Written.
IMDB Rating: 2.6
IMDB Votes: 707
Genere: Horror, Sci-Fi
Country: USA
Duration: 81 min
Plot tags:
Similar in 89%
Varan the Unbelievable (1962)
Plot Summary:
In an effort to find an economic means of purifying salt water, a joint U.S.-Japanese military command is set up on an isolated Japanese island where an unusual salt water lake is situated. However, their purifying experiments arouse the prehistoric monster Obaki from hibernation at the lake's bottom, and it proceeds to attack Japan.
IMDB Rating: 4.5
IMDB Votes: 832
Genere: Horror, Sci-Fi
Country: Japan, USA
Duration: 70 min
Plot tags: daikaiju, classic horror, natural horror, psychotronic, independent film, vintage, cult film
Similar in 86%
The Terror Within II (1990)
Plot Summary:
In a world gone mad, the last human colony struggles to survive underground, beneath a land of nightmarish mutants who seek to destroy them. But when the mutant breaks inside humanity's final stronghold, the battle for survival pits the human colonists against their deadly invaders miles below the earth's surface.
IMDB Rating: 4.2
IMDB Votes: 759
Genere: Horror, Sci-Fi
Country: USA
Duration: 85 min
Plot tags: retro, cult horror, psychotronic, independent film, cult film
Similar in 90%
Deep Blue Sea 3 (2020)
Plot Summary:
Dr. Emma Collins and her team are spending their third summer on the island of Little Happy studying the effect of climate change on the great white sharks who come to the nearby nursery every year to give birth. Along with the last two inhabitants of this former fishing village, their peaceful life is disrupted when a "scientific" team led by her ex-boyfriend and marine biologist Richard show up looking for three bull sharks who we soon learn aren't just any bull sharks.
IMDB Rating: 4.7
IMDB Votes: 7000
Genere: Action, Horror, Sci-Fi
Country: USA
Duration: 100 min
Plot tags: disturbing, exciting, suspense, psychotronic, tense, intense, enigmatic
Similar in 84%
Alligator II: The Mutation (1991)
Plot Summary:
A giant mutated alligator runs riot in a small town after the sewer system washes it into a lake.
IMDB Rating: 3.9
IMDB Votes: 3000
Genere: Horror, Sci-Fi
Country: USA
Duration: 94 min
Plot tags: natural horror, independent film, scary, rough, serious, suspenseful, wild, cult film
Similar in 76%
Piranha Part Two: The Spawning (1982)
Plot Summary:
A scuba diving instructor, her biochemist boyfriend, and her police chief ex-husband try to link a series of bizarre deaths to a mutant strain of piranha fish whose lair is a sunken freighter ship off a Caribbean island resort.
IMDB Rating: 3.8
IMDB Votes: 10000
Genere: Horror, Sci-Fi, Thriller
Country: Netherlands, Italy
Duration: 94 min
Plot tags: scary, slasher, natural horror, spoof, perverse, independent film, rough, serious, suspenseful, psychotronic
Similar in 87%
Octaman (1971)
Plot Summary:
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….
IMDB Rating: 3.3
IMDB Votes: 1000
Genere: Sci-Fi, Horror
Country: Mexico, USA
Duration: 79 min
Plot tags: natural horror, retro, grindhouse, scary, offbeat, bleak, suspenseful, semi serious, psychotronic, independent film
Similar in 87%
Hydra (1971)
Plot Summary:
A mad scientist (and apparent former Nazi) unleashes his master plan: to transform himself into a mutated walking catfish, gain revenge on those who have spurned him, and kidnap nubile young women to similarly transform so that he can breed. Or something like that.
IMDB Rating: 2.2
IMDB Votes: 5000
Genere: Horror, Sci-Fi
Country: USA
Duration: 100 min
Plot tags: natural horror, psychotronic, grindhouse, medical horror, cult classic, independent film, scary, offbeat, serious, surprise ending
Similar in 77%
Raging Sharks (2005)
Plot Summary:
An oceanic observation station is in desperate trouble after a sudden shark attack wrecked the oxygen supply. The accompanying ship, a coast guard cruiser, and other ships in and around the Bermuda triangle are attacked as well. The US Navy sends a submarine to investigate, but soon they too are under attack.
IMDB Rating: 2.7
IMDB Votes: 1000
Genere: Action, Adventure, Horror, Sci-Fi, Thriller
Country: USA, Bulgaria
Duration: 92 min
Plot tags: serious, suspenseful, scary, exciting, natural horror, suspense, psychotronic, campy