Movies like Hydra 1971

If you like "Hydra" you are looking for scary, offbeat and serious movies about / with mad scientist, laboratory, fish, man beast, radioactivity, crimes and vengeance themes of Horror and Sci-Fi genre shot in USA.
Find your next favorite and similar movies in two steps: 1. Identify all themes of interest from this film (block below). 2. Look for them in the presented list.
Hydra (1971)
 2.5
 5K
Hydra (1971)
Original name: Zaat
Genre: Horror, Sci-Fi
Country: USA
Duration: 100 min.
Story: 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.
Style: scary, offbeat, serious, surprise ending, psychotronic, cult film
Plot: mad scientist, laboratory, fish, man beast, radioactivity, crimes, vengeance, mutant, supernatural, experiment gone awry, danger, imaginary, escapades, disorder, deadly, monster, mutation, scientist, fishing, octopus, doctor, sheriff, knife, acid, aquarium ...
Place: florida, usa

Movie in categories

Most similar movies to Hydra

The list contains related movies ordered by similarity. Recommendation engine sorted out scary, psychotronic, serious and suspenseful films with plots about disorder, danger, deadly, supernatural, experiment gone awry, mad scientist and mutant mostly in Horror, Sci-Fi and Adventure genres. Some movies like Hydra: Track of the Moon Beast (1976), Brain of Blood (1971), Monster a-Go Go (1965), Blood of Ghastly Horror (1967), Swamp Thing (1982). The matching attributes are highlighted in bold.
Track of the Moon Beast (1976)
Genre: Horror, Sci-Fi
Country: USA
Duration: 90 min.
Story: Professor "Johnny Longbow" Salina, a man who really knows his stews, introduces Paul Carlson to the practical-joking Kathy Nolan. Paul and Kathy seem to hit it off rather well but, during a meteor storm, a meteorite fragment strikes Paul, ...
Style: exciting, serious, suspenseful, rough, offbeat ...
Audience: teens, boys' night
Plot: mutant, experiment gone awry, danger, buddies, escapades, supernatural, transformation, vengeance, imaginary, space and aliens, chase, disorder ...
⇓ similarity ⇓
95%
 2.9
 716
Brain of Blood (1971)
Genre: Horror, Sci-Fi
Country: USA
Duration: 87 min.
Story: 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" ...
Style: offbeat, rough, psychological, scary, serious ...
Plot: mad scientist, brain transplant, acid, voyeur, terminal illness, experiment gone awry, escapades, heroes, zombie, showbiz, island, vengeance ...
Time: 70s
⇓ similarity ⇓
94%
Monster a-Go Go (1965)
Genre: Horror, Sci-Fi
Country: USA
Duration: 70 min.
Story: The plot concerns an American astronaut, Frank Douglas, who mysteriously disappears from his spacecraft as it parachutes to Earth. The vanished astronaut is apparently replaced by or turned into a large, radioactive, humanoid monster. A team of ...
Style: scary, surreal, serious, suspenseful, offbeat ...
Plot: giant, laboratory, countryside, experiment gone awry, alien, radiation, astronaut, murder, deadly, space and aliens, chases and races, deadly creature ...
⇓ similarity ⇓
91%
Blood of Ghastly Horror (1967)
Genre: Horror, Sci-Fi
Country: USA
Duration: 85 min.
Story: A mad scientist implants an electronic device into the brain of an injured soldier, which turns him into a psychotic killer.
Style: rough, offbeat, serious, scary, psychotronic
Plot: mad scientist, zombie, imaginary, rivalry, supernatural, heist, plague, frame up, deadly, crimes, danger, escapades ...
Time: 70s
⇓ similarity ⇓
91%
Movie in collections
 5.4
 13K
Swamp Thing (1982)
Genre: Horror, Sci-Fi
Country: USA
Duration: 91 min.
Story: Dr. Alec Holland, hidden away in the depths of a murky swamp, is trying to create a new species - a combination of animal and plant capable of adapting and thriving in the harshest conditions. Unfortunately he becomes subject of his own creation and ...
Style: semi serious, suspense, exciting, captivating, humorous ...
Audience: boys' night, teens
Plot: swamp, mutant, superhero, laboratory, mad scientist, experiment gone awry, heroic mission, good versus evil, rescue, rivalry, superhuman powers, supernatural ...
Time: 80s
Place: usa, europe, holland, washington d.c.
⇓ similarity ⇓
81%
Empire of the Ants (1977)
Genre: Adventure, Horror, Sci-Fi
Country: USA
Duration: 89 min.
Story: Sleazy scam artist Joan Collins tries to sell phony real estate deals down in the Florida everglades. What she and her unsuspecting buyers don't know is the area has been taken over by giant ants!
Style: scary, exciting, serious, suspenseful, intense ...
Audience: boys' night, teens
Plot: mutant, real estate, radioactive, radioactivity, supernatural, danger, deadly creature, dangerous animal, deadly, crimes, cons and scams, toxic ...
Time: 70s
Place: florida, usa, everglades
⇓ similarity ⇓
75%
 5.2
 979
The Mutations (1974)
Genre: Horror, Sci-Fi
Country: UK, USA
Duration: 92 min.
Story: A mad scientist (Donald Pleasence) crosses plants with people, and the results wind up in a sideshow.
Style: offbeat, suspenseful, scary, serious, rough ...
Audience: boys' night
Plot: mad scientist, mutant, kidnapping, human experiment, murder, experiment, transformation, factory, experiment gone awry, prostitute, supernatural, deadly ...
Time: 70s
Place: europe, england, london
⇓ similarity ⇓
72%
Jesse James Meets Frankenstein's Daughter (1966)
Genre: Horror, Sci-Fi, Western
Country: USA
Duration: 88 min.
Story: Dr. Frankenstein's Granddaughter Maria, and her brother assistant Rudolph, moved to the old west because the lightning storms there are more frequent and intense, which allows them to work on the experiments of their grandfather. But the ...
Style: scary, tense, suspense, disturbing, offbeat ...
Audience: boys' night
Plot: mad scientist, rescue, experiment gone awry, mutant, supernatural, danger, chases and races, rivalry, criminal, frankenstein, outlaw, vengeance ...
Time: 19th century
Place: mexico, arizona
⇓ similarity ⇓
71%
Movie in collections
The Brain That Wouldn't Die (1962)
Genre: Horror, Sci-Fi
Country: USA
Duration: 82 min.
Story: Dr. Bill Cortner and his fiancée, Jan Compton, are driving to his lab when they get into a horrible car accident. Compton is decapitated. But Cortner is not fazed by this seemingly insurmountable hurdle. His expertise is in transplants, and he is ...
Style: scary, suspenseful, psychotronic, macabre, experimental ...
Plot: laboratory, mad scientist, experiment, mad doctor, decapitation, surgery, car accident, transplant, experiment gone awry, woman in danger, danger, deadly ...
Time: 60s, 20th century, 1960s, 80s
Place: usa, virginia, new jersey
⇓ similarity ⇓
70%
Terror of Frankenstein (1977)
Genre: Horror, Sci-Fi
Country: Sweden, Ireland
Duration: 92 min.
Story: No overview found.
Style: gothic, scary, serious, suspenseful, psychotronic
Plot: obsession, mad scientist, experiment gone awry, figment, disorder, mutant, medical school, laboratory, vengeance, deadly, deadly creature, supernatural ...
Time: 19th century, victorian era
⇓ similarity ⇓
70%
The Immortalizer (1989)
Genre: Horror, Sci-Fi
Country: USA
Duration: 96 min.
Story: A crazed scientist sends out his mutant creations to kidnap young, beautiful men and women to bring back to his lab so he can transplant their brains into the bodies of old, wealthy people.
Style: serious, scary, dark humor, humorous, suspenseful
Plot: mutant, kidnapping, slasher, danger, supernatural, imaginary, rivalry, escape, dungeon, gory, disorder, mad scientist ...
Time: 80s
⇓ similarity ⇓
68%
 5.6
 2K
The Kindred (1987)
Genre: Horror, Sci-Fi, Thriller
Country: USA
Duration: 91 min.
Story: Amanda's deathbed request to her son, John, was for him to destroy all the lab notes etc. from her last experiment. She also blurts out he had a brother. At the funeral John meets Melissa, who claims to be his mothers biggest fan. Together with ...
Style: scary, suspenseful, suspense, intense, dark ...
Audience: teens
Plot: mutant, mad scientist, murder, experiment gone awry, survival, investigation, danger, deadly, death, creature, laboratory, transformation ...
Time: 80s
⇓ similarity ⇓
66%
Night of the Lepus (1972)
Genre: Horror, Sci-Fi, Thriller
Country: USA
Duration: 88 min.
Story: Giant mutant rabbits terrorize the southwest!!
Style: suspenseful, serious, suspense, absurd, scary ...
Plot: mutant, giant animal, gene manipulation, experiment gone awry, rabbit, heroes, chaos, dangerous animal, danger, mad scientist, deadly, mutation ...
Time: 70s
Place: arizona, usa
⇓ similarity ⇓
65%
The Giant Spider Invasion (1975)
Genre: Horror, Sci-Fi
Country: USA
Duration: 84 min.
Story: A black hole hits North Wisconsin and opens a door to other dimensions. Giant 15 meter spiders emerge from it, who have an appetite for human flesh! Dr. Jenny Langer and Dr. Vance from the NASA try to save the world.
Style: scary, suspenseful, semi serious, captivating, offbeat ...
Audience: teens, boys' night
Plot: giant spider, mad scientist, small town, evil alien, save the world, experiment gone awry, mutant, supernatural, amateur detective, deadly, danger, deadly creature ...
Time: 70s
Place: usa, wisconsin
⇓ similarity ⇓
64%
 6.7
 22K
From Beyond (1986)
Genre: Horror, Sci-Fi
Country: USA
Duration: 85 min.
Story: A group of scientists have developed the Resonator, a machine which allows whoever is within range to see beyond normal perceptible reality. But when the experiment succeeds, they are immediately attacked by terrible life forms.
Style: scary, suspenseful, macabre, intense, atmospheric ...
Plot: body horror, mad scientist, transformation, experiment, bondage, experiment gone awry, zombie, murder, supernatural, parallel world, deadly, danger ...
Time: 80s
⇓ similarity ⇓
64%
 2.9
 2K
Monstrosity (1963)
Genre: Horror, Sci-Fi
Country: USA
Duration: 65 min.
Story: A rich but unscrupulous old woman plots with a scientist to have her brain implanted in the skull of a sexy young woman.
Style: semi serious, offbeat, bleak, scary, surreal ...
Plot: mad scientist, zombie, laboratory, cat, experiment, murder, brain transplant, transplant, grave robbing, escapades, crimes, space and aliens ...
⇓ similarity ⇓
63%
The Prometheus Project (2010)
Genre: Horror, Sci-Fi
Country: USA
Duration: 87 min.
Story: Young Scientists Elizabeth Burns explores the impact on the human body stem cells. A specific feature of these cells to interact with dead flesh has been subjected to blackmail heroine is forced to continue chilling experiments. Once she recovers ...
Style: suspenseful, serious, tense, captivating, scary
Plot: experiment gone awry, deadly, deadly creature, mad scientist, danger, laboratory, gory, captivity, supernatural, frankenstein's monster, zombie, hospital ...
Time: 21st century, contemporary
⇓ similarity ⇓
63%
Syngenor: Synthesized Genetic Organism (1990)
Genre: Horror, Sci-Fi
Country: USA
Duration: 98 min.
Story: A scientist engineers a group of genetically engineered cyborgs for use as "super soldiers" to fight U.S. wars in the Middle East. However, things get ugly when the cyborgs malfunction and turn on their creators.
Style: exciting, serious, rough, suspenseful, stylized ...
Audience: boys' night
Plot: mutant, experiment gone awry, mad scientist, superhuman powers, super soldier, battles, technology gone awry, terrorism, deadly, danger, deadly creature, soldier ...
Time: 80s, 20th century
⇓ similarity ⇓
63%
Movie in collections
The Incredible 2-Headed Transplant (1971)
Genre: Horror, Sci-Fi
Country: USA
Duration: 88 min.
Story: Dr. Roger Girard is a rich scientist conducting experiments on head transplantation. His caretaker has a son, Danny, who, although fully grown, has the mind of child. One day an escaped psycho-killer invades Girard's home, killing Danny's ...
Style: scary, absurd, disturbing, tense, offbeat ...
Plot: mad scientist, mutant, experiment gone awry, mentally challenged, mental illness, misfit, danger, deadly, psychopath, disorder, countryside, rivalry ...
Time: 70s
⇓ similarity ⇓
63%
The Beast of Yucca Flats (1961)
Genre: Horror, Sci-Fi
Country: USA
Duration: 54 min.
Story: A Russian scientist is arriving to the states caring secret information’s. Disembarking from his plane, he and his American contacts are attacked by a pair of KGB assassins (Anthony Cardoza and John Morrison). Later, it is revealed that he has ...
Style: suspenseful, exciting, scary, rough, offbeat ...
Audience: boys' night
Plot: monster, mutant, nuclear bomb, mad scientist, deadly creature, danger, deadly, psychopath, chaos, chase, murder, creature feature ...
Time: 60s
⇓ similarity ⇓
63%
Frankenstein Conquers the World (1965)
Genre: Horror, Sci-Fi
Country: Japan
Duration: 90 min.
Story: During WWII, a human heart taken from Dr. Frankenstein's lab and is kept in Japan where it gets exposed to the radiation of the bombing of Hiroshima. The heart grows in size, mutates and eventually becomes an indestuctable humanoid. Later, a ...
Style: scary, exciting, serious, suspenseful, offbeat ...
Plot: frankenstein, world war two, false accusation, monster, scientist, mutant, experiment gone awry, laboratory, rescue, supernatural, deadly creature, reincarnation ...
Time: 1940s, 60s, 1960s, year 1945
Place: japan, asia, tokyo, germany, hiroshima japan
⇓ similarity ⇓
61%
 2.7
 507
Venus Flytrap (1967)
Genre: Horror, Sci-Fi
Country: USA, Japan
Duration: 93 min.
Story: A mad scientist creates man eating creatures from carnivorous plants.
Style: suspenseful, offbeat, bleak, serious, experimental ...
Plot: mad doctor, mutant, disorder, supernatural, journalism, danger, deadly, prodigy, heroes, mentally unstable, mountain, hotel ...
Time: 60s, 20th century
Place: japan
⇓ similarity ⇓
60%
Mad Doctor of Blood Island (1968)
Genre: Adventure, Horror, Sci-Fi
Country: Philippines, USA
Duration: 85 min.
Story: A man who loves to travel, travels to an island where a mad doctor is creating zombies.
Style: suspenseful, exciting, suspense, bleak, serious ...
Plot: mad scientist, monster, murder, investigation, deadly, danger, isolation, missing person, mad doctor, island, laboratory, experiment gone awry ...
Time: 60s
Place: the philippines, asia
⇓ similarity ⇓
59%
Movie in collections
The Twilight People (1972)
Genre: Adventure, Horror, Sci-Fi
Country: Philippines, USA
Duration: 81 min.
Story: A kidnapped diver is taken to an island inhabited by a mad scientist and his half-animal, half-human creations.
Style: serious, scary, suspenseful, psychotronic
Plot: island, mad scientist, kidnapping, supernatural, zombie, dangerous animal, escapades, deadly, heroes, danger, imaginary, experiment gone awry ...
Time: 70s
⇓ similarity ⇓
59%
 3.1
 2K
SharkMan (2005)
Genre: Action, Adventure, Comedy, Horror, Sci-Fi, Thriller
Country: Aruba, USA, Germany
Duration: 92 min.
Story: When he began fusing human and shark DNA, his colleagues laughed at him. Now his creation is taking his revenge, and they aren't laughing anymore.
Style: rough, scary, serious, suspense, psychotronic
Plot: mad scientist, island, escapades, heroes, supernatural, deadly, rivalry, danger, gory, mutant, vengeance, monster ...
Time: contemporary, 21st century
⇓ similarity ⇓
57%
Curse of the Swamp Creature (1968)
Genre: Horror, Sci-Fi
Country: USA
Duration: 80 min.
Story: A mad scientist is conducting experiments with evolution on the locals deep in the rural swamps of Texas.
Style: serious, scary, psychotronic
Plot: mad scientist, evolution, voodoo, alligator, swamp, monster, mutant, chaos, disorder, countryside, technology gone awry, chaos and mayhem ...
Time: 60s
Place: texas, usa
⇓ similarity ⇓
56%
Island of Terror (1966)
Genre: Horror, Sci-Fi
Country: UK
Duration: 89 min.
Story: A small island community is overrun with creeping, blobbish, tentacled monsters which liquefy and digest the bones from living creatures. The community struggles to fight back.
Style: serious, offbeat, suspenseful, bleak, scary ...
Plot: island, laboratory, bone, monster, tentacle, creature, terminal illness, plague, isolation, apocalypse, child illness, experiment gone awry ...
Time: 1960s, 60s
Place: japan
⇓ similarity ⇓
54%
The Flesh Eaters (1964)
Genre: Horror, Sci-Fi
Country: USA
Duration: 87 min.
Story: An alcoholic actress, her personal assistant, and their pilot are downed on a secluded isle by bad weather, where a renegade Nazi scientist is using ocean life to develop a solvent for human flesh. The tiny flesh-eating sea critters that result ...
Style: suspenseful, offbeat, scary, serious, psychotronic
Audience: boys' night
Plot: island, experiment gone awry, survival, gory, mutant, ocean or sea, disorder, chaos, androids and robots, mad scientist, heroes, supernatural ...
Time: 60s
⇓ similarity ⇓
54%
 3.6
 4K
Carnosaur (1993)
Genre: Horror, Sci-Fi
Country: USA
Duration: 83 min.
Story: After being driven to extinction, great bloodthirsty dinosaurs come back to life with the assistance of a demented genetic scientist. She plans to replace the human race with a super-race of dinosaurs who will not pollute the planet.
Style: scary, rough, serious, suspenseful, tense ...
Audience: teens, boys' night
Plot: dinosaur, mad scientist, chaos, deadly creature, mutant, danger, deadly, imaginary, dangerous animal, disorder, gory, extinction ...
Time: 90s, prehistory
⇓ similarity ⇓
54%
Psychic Experiment (2010)
Genre: Horror, Sci-Fi
Country: USA
Duration: 93 min.
Story: A idyllic, small, self-sufficient community. On the surface, it seems like the perfect neighborhood. Everything you could possibly need is within walking distance. But...the pastoral exterior conceals a dark past and an even darker secret. As a ...
Style: suspenseful, serious, tense, captivating, suspense ...
Audience: teens
Plot: experiment gone awry, mad scientist, danger, deadly, chaos, small town, small community, supernatural, dark secret, survival, under the surface, nudity (full frontal - brief) ...
Time: 21st century, contemporary
Place: usa
⇓ similarity ⇓
53%
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