Best movies like The Revenge of Dr. X

When the villagers of Kleinschloss start dying of blood loss, the town fathers suspect a resurgence of vampirism. While police inspector Karl Brettschneider remains skeptical, scientist Dr. Otto von Niemann cares for the vampire's victims one by one, and suspicion falls on simple-minded Herman Gleib because of his fondness for bats. A blood-thirsty mob hounds Gleib to his death, but the vampire attacks don't stop.

A wealthy industrialist hires the renowned hoax-buster Phillip Knight to prove that an island he plans to develop isn't voodoo cursed. However, arriving on the island, Knight soon realizes that voodoo does exist when he discovers man-eating plants and a tribe of natives with bizarre powers.

The arrival in a small mountain town of a dissheveled stranger launches a series of murders committed by some sort of animal. As the town doctor and his daughter attempt to help the stranger, the sheriff investigates the murders; and they uncover a sinister experiment involving two rogue scientists, a car accident victim, his wife and children, and a serum that causes a man to turn into a ravaging werewolf.

An ancient tribe attempts to sacrifice Sanna as an offering to the Sun god to save their tribe from dinosaurs. Tara, a young man from another tribe, saves Sanna and takes her along with him.

A mad scientist captures women and feeds them to a flesh-eating tree, which in turn gives him a serum that helps bring the dead back to life.

US Navy battles monsters unearthed from the frozen arctic.

Beautiful girls are in danger. At Sunny Beach, a huge shark is waiting for his prey. College students Miki and Mai arrive on a private beach on a tropical island. They can't find the hotel where they booked their reservations, and have gotten hopelessly lost, until a handsome young man shows up, offering to take them to his lodge. But something is not right about the place. The owner's fingernails are tainted with blood and Miki feels something sinister lurking nearby.

Once again Paula the ape woman is brought back to life, this time by a mad doctor and his disfigured assistant, who also kidnaps a nurse in order to have a female blood donor.

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 mother's biggest fan. Together with some of John's friends they go to Amanda's house, but none are prepared for what they find there.

Dr.Decker comes back from Africa after a year, presumed dead. During that year, he came across a way of growing plants and animals to an enormous size. He brings back a baby chimpanzee to test out his theory. As he has many enemies at home, he decides to use his chimp, 'Konga' to 'get rid of them'. Then Konga grows to gigantic proportions and wreaks havoc all over the city of London!!

The first manned flight to Mars returns after having been out of communications since it had arrived on Mars. What would it reveal?

While working in a greenhouse, a man receives an insect bite after touching an exotic plant. Immediately, he falls ill and is taken to an emergency room where the doctors diagnose him as suffering from an unknown bacteria, and a strange parasite which emerges from his mouth as a large slimy wormlike creature. Soon, there are more cases of bacterial infection, but the more immediate problem for the hospital is the wormlike creature which after accidental exposure to a genetic growth stimulant grows to monstrous proportions and starts a reign of terror and bloodshed in the hospitals abandoned wing.

In a future Earth barren of all flora and fauna, the planet's ecosystems exist only in large pods attached to spacecraft. When word comes in that the pods are to be jettisoned into space and destroyed so that the spacecraft can be reused for commercial purposes, most of the crew of the Valley Forge rejoice at the prospect of going home. Not so for botanist Freeman Lowell who loves the forest and its creatures, so decides to take matters into his own hands to protect what he loves.

After a new cannery introduces scientifically augmented salmon to a seaside town in the Pacific Northwest, a species of mysterious, mutated sea creatures begin killing the men and raping the women.

Scientists and US Air Force officials fend off a blood-thirsty alien organism while investigating at a remote arctic outpost.

Seymour works in a skid row florist shop and is in love with his beautiful co-worker, Audrey. He creates a new plant that not only talks but cannot survive without human flesh and blood.

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 NASA try to save the world.

Seymour Krelborn is a nerdy orphan working at Mushnik's, a flower shop in urban Skid Row. He harbors a crush on fellow co-worker Audrey Fulquard, and is berated by Mr. Mushnik daily. One day Seymour finds a very mysterious unidentified plant which he calls Audrey II. The plant seems to have a craving for blood and soon begins to sing for his supper.

Dr. Henry Frankenstein attempts to create life by assembling a creature from body parts of the deceased. Aided by his loyal misshapen assistant, Fritz, Frankenstein succeeds in animating his monster, but, confused and traumatized, it escapes into the countryside and begins to wreak havoc. Frankenstein searches for the elusive being and eventually must confront his tormented creation.

After an unusual meteor shower leaves most of the human population blind, a merchant navy officer must find a way to conquer tall, aggressive plants which are feeding on people and animals.

A young man visits his fiancé's estate to discover that her wheelchair-bound scientist father has discovered a meteorite that emits mutating radiation rays that have turned the plants in his greenhouse to giants. When his own wife falls victim to this mysterious power, the old man takes it upon himself to destroy the glowing object with disastrous results.

A scientist working on cures for rare afflictions, such as a bone softening agent made from molds to allow him to correct the spinal deformity of his nurse, finds the physical causes of lycanthropy in wolf-man Larry Talbot and of vampirism in Count Dracula, but himself becomes afflicted with homicidal madness while exchanging blood with Dracula.

After the previous Godzilla attack, a miniature arms race ensues to collect his cells. Concerned over Godzilla's possible return, the Japanese government uses the cells to create a new bio-weapon, ANEB (Anti-Nuclear Energy Bacteria). They seeks the aid of geneticist Genshiro Shiragami, who's experiments result in a new mutation.

Four college students and their professor embark on a path of mystery and death while searching for the Abominable Snowman.

An astronaut exposed to cosmic rays outside of Saturn's rings returns to Earth and begins to melt away. Escaping from the hospital, he wanders around the backwoods looking for human flesh to eat.

A test rocket carrying wasps to outer space, to study the effects on them of weightlessness and radiations, crashes out of control back to Earth, into the jungles of Africa. The two astrobiologists in charge of the test mount an expedition to the Darkest Continent to retrieve their experiment, only to find the wasps have grown to giant size which are panicking all forms of life as they quest for food.

A group of teenage girls spends the night in an old dark mansion as an initiation into a college sorority. What they don't know is that the building is actually the headquarters for a mad scientist and his hunchbacked assistant, who are experimenting with turning humans into gorillas.

A middle-aged man buys a plant with a sexy voice that develops a craving for insects, frogs, dogs, humans...

The citizens of Comet Valley are being taken over by seeds from an alien plant that has taken root there. A sheriff investigates the strange goings-on.

A mad scientist (Donald Pleasence) crosses plants with people, and the results wind up in a sideshow.

Sterilox, asexual ambassador from a distant planet, comes down to earth in search of feminine breeding stock. A mad scientist treats the alien to dancing sex robots.

A mad scientist unleashes his master plan: to transform himself into a mutated walking catfish, and gain revenge on those who have spurned him. His plans go wrong, and he becomes tempted to kidnap a nubile young woman to similarly transform her so that he can breed.

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.

When an atomic war on Mars destroys the planet's women, it's up to Martian Princess Marcuzan and her right-hand man Dr. Nadir to travel to earth and kidnap women for new breeding stock. Landing in Puerto Rico, they shoot down a NASA space capsule manned by an android. With his electronic brain damaged, the android terrorizes the island while the Martians raid beaches and pool parties

A man who loves to travel, travels to an island where a mad doctor is creating zombies.

A kidnapped diver is taken to an island inhabited by a mad scientist and his half-animal, half-human creations.

Hunters become the hunted when illegal dynamite disturbs the ageold slumber of a carnivorous lizardman. Resort owner Angela, joins forces with Sheriff Keefer to save tourists from the beast's path of death.

A cursed survivor of killings at the Amityville House brings evil to a small island where bizarre genetic experiments are carried out on humans and animals.

A biological experiment in Florida goes awry. The result: 8-foot long land crabs which roar loudly and kill everything in sight.

A mad stage hypnotist Dr. John Basso reverts his beautiful assistant Doreena into the physical form of a prehistoric sea monster she was in a past life. Using this power he attempts to find fame and fortune by predicting a series of murders and then using the monster to carry them out.

A brother and sister's journey into the jungle to find their missing father.

The frightening Boris Karloff 60s thriller with Karloff as a demented doctor using torture for scientific experiments.

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.

Detective Brighton investigates a series of unusually gruesome murders and is soon caught in a web of intrigue involving a mad scientist, a beautiful woman, a power mad politician, and one very ferocious monster. Their secret lies in a mysterious formula which could unlock the secrets of immortality... and on a less positive note, also cause the mass mutation of all life on earth! The bodies pile up as everyone scrambles for possession of the formula. It culminates in a climactic showdown whose outcome will determine the fate of all mankind!

The U.S. Navy's special group "Blue Water" builds a half-shark, half-octopus for combat. But the sharktopus escapes and terrorizes the beaches of Puerto Vallarta.

In the final days of World War II, a secret experiment to weaponize sharks is shut down and destroyed by the Third Reich. But now, 60 years later, a small ocean town is plagued by a bloodthirsty, mysterious creature, one built and reanimated using parts of the greatest killers to ever inhabit the sea – the Sharkenstein monster!

Slip, Sach and the rest of the Bowery Boys enter a haunted house, where they engage in slapstick with a gorilla, a robot and a vampire

When the seeds from the original Garden of Eden are carelessly released into today's toxic climate, the plant is transformed by our contaminated environment into a writhing mass of foliage that wreaks havoc over earth.

Alien seeds hitch a ride to earth in a space shuttle crew and begin to grow. When their numbers reach the Threshold amount they will be an unstoppable swarm.

The titular Dr. Benderfax (Nigel Hazeldine) is an esteemed researcher (read: mad scientist) willing to go the extra mile for his experiments investigating a rare psychic phenomenon known as the “Telefaximial Field.” Unfortunately for the good doctor and his lovely assistant Nurse Clench (Caroline Hazeldine), many of the “volunteers” end up in the morgue. Actually on brief reflection, it’s probably more unfortunate for the patients. After some finagling the medical duo end up in a local nuthouse and use this fresh batch of patients to further their research. Just as they’re on the verge of a major breakthrough, in saunters Dr. Andrew… Fresh out of college in 1992 Tom Hosler decided to make his “first and only feature script worthy of production.” Armed with a savings account and several credit cards, the film was shot over the course of many weekends. After multiple years of post-production, the film finally saw the light of day in 1997. (Write up via Spectacle Theater)