The Bowery Boys--Slip, Sach, Bobby, Whitey & Chuck--start their own exterminating service, and get a job which takes them to a spooky old abandoned mansion in the middle of the night. Meeting up with pal Gabe and his new French bride, the boys are tormented by mad scientists who try to convince them the place is haunted and then kidnap Sach in order to place his brain inside a gorilla.

A young heiress finds evidence suggesting that at night she acts under the influence of a family curse and has begun committing ghastly murders in a nearby park.

An unsuccessful sculptor saves a madman named "The Creeper" from drowning. Seeing an opportunity for revenge, he tricks the psycho into murdering his critics.

Two bumbling press agents must search for a zombie to fulfill a commitment to their ex-gangster boss's new nightclub or face the consequences.

A young woman is tormented by the belief that she is the victim of a witch's curse.

Suspecting that a safari guide is a wanted killer, undercover policeman Geoffrey Bishop (Richard Fraser) joins a safari led by the suspect for a scientist that hopes to find and prove that a fabled white gorilla is a missing link.

In a small African port, a tawdry bar is run by a old man named Webb Fallon. Fallon is actually a vampire, but he is becoming weary of his "life" of the past few hundred years.

A corrupt young man somehow keeps his youthful beauty, but a special painting gradually reveals his inner ugliness to all.

The spirit of an executed murderer enters the body of a physician, and forces him to do its bidding--namely, murder.

A British doctor and painter must kill for the glands he needs to stop the aging process.

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.

The latest assignment for respected detective Charlie Chan has come directly from the government and involves the disappearance of a scientist named Harper, who was working on an extremely important serum. When the scientist is killed, Chan must sort through all very likely suspects, including the man's sister and his butler.

The Good Comrades are a collection of varied gentlemen who crave one thing - solitude. They reside at Drearcliff House, ancestral home of their eldest member. All seems serene and convivial until one by one the members begin to perish in the most grisly of manners. Foul play is suspected by the Good Comrades' insurance agent, who turns to Sherlock Holmes and Dr. John Watson for guidance.

Sylvie, a young woman who believes to be cursed, lives in the town of Carcassonne with her guardian, Mr. Toulzac. He is a retired teacher who wishes to discover the secret of the Cathars, a Christian sect of the Middle Ages that glorified death over life. Sylvie meets Roland, a composer who instills new hope into her troubled mind. Mr. Toulzac then asks her then to renounce the world and go down a secret tomb he has just found.

Edinburgh, 1831. Among those who undertake the illegal trade of grave robbery is Gray, ostensibly a cab driver. Formerly a medical student convicted of grave robbery, Gray holds a grudge against Dr. MacFarlane who had escaped detection and punishment.

The bell ringer at a way station in the French Alps, murders a passing horse trader with a thrown rock and relieves him of his bankroll, in order to bribe the daughter of his only friend, a head injury victim considered the village simpleton, into marrying him, despite her love for a lowly woodsman who is, in turn, being cajoled into marriage by the daughter of the wealthy innkeeper.

A scientist who is working on a cure for influenza is victimized by his unscrupulous boss, who releases the vaccine before it's ready, resulting in the death of the scientist's son.

Attorney Wayne Fletcher and his secretary have an affair. When Wayne's wife is found smothered to death, he becomes the prime suspect. As the police investigate the murder, a psychic with questionable motives tries to contact the deceased woman. Soon, Wayne begins seeing visions of his dead wife, and other people involved with the case begin to be killed, one by one.

On a Greek island during the 1912 war, several people are trapped by quarantine for the plague. If that isn't enough worry, one of the people—a superstitious old peasant—suspects a young woman of being a vampiric demon.

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.

Architect Walter Craig, seeking the possibility of some work at a country farmhouse, soon finds himself once again stuck in his recurring nightmare. Dreading the end of the dream that he knows is coming, he must first listen to all the assembled guests' own bizarre tales.

A shipwrecked Don Rainsford washes up on a homicidal big-game hunter's Caribbean island where the madman hunts human prey for his personal island habitat.

After bringing his beautiful new wife Paula home to America from a remote island on which she was raised, Professor Norman Reed begins to feel the clash between his world of rational science and hers of bizarre dancing and freaky voodoo rituals. Norman's stuck-up friends also sense Paula's strangeness, and soon their meddling gossip and suspicious scheming push the poor woman to use her magic to defend herself and her husband – and maybe even to kill! Or is it just the power of suggestion...?

A mad doctor (Bela Lugosi) and his helpers (John Carradine, George Zucco) lure girls to his lab for brain work, to help his wife.