A scientist successfully creates an invisibility serum, only to be kidnapped by a gang of thugs who wish to use the formula to rob a priceless jewel.

A number of swamp land men have died by strangulation and the inhabitants believe that an innocent man they hanged is seeking revenge on all of the male descendants of…

A Martian invader crashes his spaceship conveniently close to the workshop of a scientist who is developing an interplanetary craft. If the extraterrestrial Purple Monster can complete the rocket ship…

Claire Forrest seeks her kidnapped scientist father, hidden somewhere on Mystery Island. He is held and forced to work on diabolical inventions by Captain Mephisto, a costumed villain.

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…

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…

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…

The discovery of a perfectly preserved caveman prompts a mad scientist to attempt a daring brain transplant.

Mad scientist injects his enemies with acromegaly virus, causing them to become hideously deformed.

A millionaire’s brain is preserved after his death by a scientist and his two assistants, only to create a telepathic monster.

Paula, the ape woman, has survived the ending of CAPTIVE WILD WOMAN and is running around a creepy old sanitarium run by the kindly Dr. Fletcher, reverting to her true…

A fugitive, dangerous madman reaches an English village where he confronts his former partner who left him for dead in the jungle after their discovery of a diamond mine. When…

Deranged scientist, Gustav Niemann, escapes from prison and overtakes the director of a traveling chamber of horrors, soon reviving the infamous Count Dracula, the frozen Frankenstein Monster, and the Wolf…

A double agent trying to deliver information to Washington, D.C. is chased by Nazi operatives.

A university chemistry professor experiments with an ancient Mayan gas on a medical student, turning the would-be surgeon into a murdering ghoul as part of a plan to steal his…

Grave robbers open the grave of the wolf man and awaken him. He doesn’t like the idea of being immortal and killing people when the moon is full so tries…

An insane scientist doing experimentation in glandular research becomes obsessed with transforming a female gorilla into a human…even though it costs human life.

A scientist is turned into an ape man.

Superman comes to the rescue when a volcano erupts.

When things go wrong at the circus, it’s up to Superman to stop the escaped animals.

Tibor Ákos, an intrepid and dreamy Hungarian count, embarks on an incredible adventure when he accepts the inconceivable challenge set by the eccentric Professor Sirius, who has invented a peculiar…

Superman’s reputation is tarnished when a crook begins committing crimes in a Superman costume.

When police interfere with a reckless scientist’s experiment, it creates a deadly meteor shower only Superman can stop.

Superman vs. Japanese spies hijacking a new super-bomber.

The Invisible Man’s grandson uses his secret formula to spy on Nazi Germany.

Frankenstein’s unscrupulous colleague, Dr. Bohmer, plans to transplant Ygor’s brain so he can rule the world using the monster’s body, but the plan goes sour when he turns malevolent and…

A scientist uses an earthquake machine to threaten the city, and only Superman can stop his extortion plan!

Using Clark Kent as a cover, Superman travels to Japan as a saboteur during the war.

A remake of the 1927 horror film “The Wizard”. Dr. Larry Forbes arrives in a remote French village to visit his fiancée who lives with her scientist father Dr. Renault…

Superman has to thwart wartime saboteurs tampering with things at the Metropolis Munitions Plant…who have captured Lois Lane and loaded her into a torpedo!

A scientist keeps his wife young by killing, stealing the bodies of, and taking the gland fluid from virgin brides.

Criminals with rocket powered car loot and extort the city, and only Superman can stop them!

Robbers target a special train carrying a billion dollars worth of gold, and the only one who can stop them is Superman!

A frozen Tyrannosaurus rex is found and put on display in a museum, but when he thaws out and revives, Superman has to stop his rampage!

After The Daily Planet receives a letter from a mad scientist threatening to wreak destruction with his Electrothanasia Ray, Lois Lane heads out in the hopes of getting more information…

After a young woman is coerced into prostitution and her brother framed for murder by an organized crime syndicate, retribution in the form of an ape visits the mobsters.

Superman battles a criminal mastermind and his robot army.

Mad scientist turns a man into an electrically-controlled monster to do his bidding.

Dr. Jekyll believes good and evil exist in everyone and creates a potion that allows his evil side, Mr. Hyde, to come to the fore. He faces horrible consequences when…

A story about a scientist who is obsessed with communicating with the dead.