A vacuum repairman goes insane as he is unable to swat a fly that pesters him.
There's something in his apartment. A man looking for an insect-like thing devolves into a bout of insanity as his subconscious mind begins to strangle his waking one.
American professor John Holden arrives in London for a conference on parapsychology only to discover that the colleague he was supposed to meet was killed in a freak accident the day before. It turns out that the deceased had been investigating a cult lead by Dr. Julian Karswell. Though a skeptic, Holden is suspicious of the devil-worshiping Karswell. Following a trail of mysterious manuscripts, Holden enters a world that makes him question his faith in science.
A pathologist experiments with a deaf-mute woman who is unable to scream to prove that humans die of fright due to an organism he names The Tingler that lives within each person on the spinal cord and is suppressed only when people scream when scared.
A wealthy landowner living in Haiti convinces a sorcerer to lure the woman he has fallen for away from her fiancé. The madman later betrays their agreement by keeping the woman for himself…As a zombie.
The first manned expedition to Mars is invaded by an unknown life form, which stows away on the rescue ship.
When a nobleman is threatened by a family curse on his newly inherited estate, detective Sherlock Holmes is hired to investigate.
A poet is hired by the owner of a wax museum in a circus to write tales about Harun al Raschid, Ivan the Terrible and Jack the Ripper. While writing, the poet and the daughter of the owner, Eva, fantasize the fantastic stories and fall in love for each other.
A vengeful witch, Asa Vajda, and her fiendish servant, Igor Jauvitch, return from the grave and begin a bloody campaign to possess the body of the witch's beautiful look-alike descendant: Katia. Only a handsome doctor with the help of family members stand in her way.
A scientist develops a serum that can eradicate scar tissue. He tries it on a girl with a horribly disfigured face. It succeeds, but then he discovers the girl is an escaped mental patient from a local asylum.
A gang of pirates rape the two sole survivors of a ship wreck. The violated girls are rescued by the strange inhabitants of a supposedly haunted island, where they are granted supernatural powers to strike revenge against the pirates.
Greedy heirs wait in a mansion for a rich cat lover to die, only to learn her cats come first.
After being buried in quicksand for the past 25 years, Kharis is set free to roam the rural bayous of Louisiana, as is the soul of his beloved Princess Ananka, still housed in the body of Amina Mansouri, who seeks help and protection at a swamp draining project.
An Egyptian high priest travels to America to reclaim the bodies of ancient Egyptian princess Ananka and her living guardian mummy Kharis. Learning that Ananka's spirit has been reincarnated into another body, he kidnaps a young woman of Egyptian descent with a mysterious resemblance to the princess. However, the high priest's greedy desires cause him to lose control of the mummy...
The discovery of a perfectly preserved caveman prompts a mad scientist to attempt a daring brain transplant.
Mismatched travellers are stranded overnight at a lonely rural railway station. They soon learn of local superstition about a phantom train which is said to travel these parts at dead of night, carrying ghosts from a long-ago train wreck in the area.
The reclusive Dr. Zorba has died and left his sprawling mansion to his nephew Cyrus and his family. They will need to search the house to find the doctor's fortune, but along with the property itself, they have also inherited the occultist's collection of thirteen ghosts.
A woman is plagued by dreams of being buried alive while her adulterous husband, steeped in gambling debts, hatches a scheme to drive her mad and murder her to acquire her fortune.
A group of rich businessmen and military officers who are partying in an old castle are spared when a nuclear war ravages the earth. When they venture out into the nearest town to search for food and supplies, they find most of the residents blinded, and soon they discover the existence of a sinister group called The People Who Own The Dark.
On the beach one night, Christine Faber, two years a widow, thinks she hears her late husband Paul calling out of the surf...then meets a tall dark man, Alexis, who seems to know all about such things. After more ghostly manifestations, Christine and younger sister Janet become enmeshed in the eerie artifices of Alexis; but he in turn finds himself manipulated into deeper deviltry than he had in mind...