Having previously survived being riddled with bullets, the Gill-man is captured and sent to the Ocean Harbor Oceanarium in Florida, where he is studied by animal…
Strange goings on at the site of an experimental underwater laboratory as a mysterious object of unknown origin is detected in the area. A group of researchers…
On a Bermuda beach, a sleeping Magnus Dens is approached by a beautiful but mysterious woman, Jennie Haniver, who seems to recognize him. In the meantime, Magnus is…
In the Florida Everglades, a pair of larger-than-human, intelligent leeches live in an underwater cave. They begin dragging locals down to their cave, where they slowly…
A nuclear submarine on maneuvers in the Pacific Ocean, captained by Commander Pete Mathews (Kenneth Tobey), comes into contact with a massive sonar return. The commander…
The film opens with a sequence of meteor showers, with a narrator describing that meteorologists and scientists are studying the phenomenon. With the meteor shower…
Mr. Tako, head of Pacific Pharmaceuticals, is frustrated with the television shows his company is sponsoring and wants something to boost his ratings. When a doctor…
When the Japanese freighter Eiko-maru is destroyed near Odo Island, another ship—the Bingo-maru—is sent to investigate, only to meet the same fate with few survivors. A…
In the Salton Sea, an underwater earthquake causes a crevice to open, releasing prehistoric giant mollusks. A rescue training parachute jump is conducted, but the patrol…
Professor Millard Wyman (John Carradine) sends a crew of two men, Paul Whitmore (Allen Windsor) and Craig Randall (Robert Clarke), and two women Lauri Talbott (Sheila…
Around the turn of the century, American mining engineer Ben Harris is working on the Cornish coast in England when he finds a body washed up on the beach. Ben makes…
A Greek Fisherman brings an Atlantean Princess back to her homeland which is the mythical city of Atlantis. He is enslaved for his trouble. The King is being manipulated…
Two men preparing for a duel in 1881 Algiers, Irishman Michael Denning and Frenchman Hector Servadac, are swept from the face of the Earth by a passing comet and find…
A U.S. agent goes undercover as a rich playboy to stop a madman from destroying a NASA moon project.
A group of scientists and their support crew of five sailors land on a remote island in the Pacific Ocean. They are searching for a previous expedition that disappeared…
Secret agent Jeff Sutton arrives in Rio with $10 million and finds himself embroiled in a war between Sir Masius, a British mobster, and the megalomaniacal Sumuru. From…
Captain Joe Ryan is salvaging for treasure off the coast of Ireland when a volcano erupts, nearly sinking his ship. Ryan and his First Officer and friend, Sam Slade,…
A notorious secret society known as Spermula plans to return from the future and conquer Earth by neutering the male population.
Far north of the Arctic Circle, a nuclear bomb test, dubbed "Operation Experiment", is conducted. Prophetically, right after the blast, physicist Thomas Nesbitt muses…
A delirious archaeologist stumbles into his group's camp without his partner, both of whom have been exploring a nearby cave. He quickly goes mad, requiring…