In 1868, rumors spread of a sea monster which attacks ships in the Pacific Ocean and disrupt shipping lanes. Professor Aronnax and his assistant, Conseil, board a U.S.…
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…
A geology expedition in the Amazon uncovers fossilized evidence (a skeletal hand with webbed fingers) from the Devonian period that provides a direct link between land…
Following the Gill-man's escape from Ocean Harbor Oceanarium in Florida, a team of scientists led by the deranged and cold-hearted Dr. William Barton (Jeff Morrow) board…
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…
In the sleepy California lighthouse town of Piedras Blancas, Sturges, the lighthouse keeper, is very superstitious and concerned for the safety of his teenage daughter,…
Far north of the Arctic Circle, a nuclear bomb test, dubbed "Operation Experiment", is conducted. Prophetically, right after the blast, physicist Thomas Nesbitt muses…
William Fitzgerald (Richard Derr), the lone survivor of a shipwreck, washes ashore on Blood Island. He is found by Dr. Charles Girard (Francis Lederer), a scientist who…
New Mexico State Police Sgt. Ben Peterson and Trooper Ed Blackburn discover a little girl wandering the desert, near Alamogordo, in shock and in a catatonic state. They…
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…
The first U.S. spaceship to Venus, the XY-21, crashes into the Mediterranean sea off the coast of Sicily, Italy as fishermen watch. They row to the spacecraft, enter…
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 South Seas, a volcano explodes, eventually causing North Pole icebergs to shift. Below the melting polar ice caps, a 200-foot-long praying mantis, trapped in the…
When a group of astronomers calculate a star is on a course to slam into Earth, a few days before, it's accompanying planet will first pass close enough to the Earth to…
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…
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…
Captain Thorne Sherman (James Best) and first mate Rook Griswold ("Judge" Henry Dupree) deliver supplies by boat to a group on a remote island. The group, consisting of…
Scientist Steve Karnes delivers a speech to a British scientific society, led by Professor James Bickford, about the dangers to marine life posed by nuclear testing.…
Jungle-dwelling natives find two long-haired bearded men dressed in frayed tuxedos asleep on the jungle floor and carry the men to their chief and his daughter who…
Jack Flynn is driving down a highway at night looking at a bracelet he has bought his daughter for her birthday, when he hits something and his vehicle crashes. The next…
After nurse Jane Marvin (Beverly Garland) is administered the drug sodium pentothal by psychiatrists Erik Lorimer (Bennett) and Wayne McGregor (Douglas Kennedy), she…
Two angels, appearing as stars in the heavens, discuss how man has invented the super H-bomb sixty years ahead of schedule. Noting that all of mankind will be destroyed…
In 1860, Baron Victor Frankenstein, sentenced to death, escapes execution by the guillotine by having a priest beheaded and buried in his place with the aid of a…
Dr. Cal Meacham is flying to his laboratory in a borrowed Lockheed T-33 Shooting Star jet. Just before landing, the jet's engine fails, but he is saved from crashing by…