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…
Dr. Carlo Lombardi, a carnival hypnotist, conducts experiments in hypnotic regression that take his unwitting female subject Andrea Talbott to a past life as a…
American tycoon George Harrison, his beautiful wife, Mona, and deep-sea diver Jeff Clark are off the coast of Africa hoping to salvage a fortune in diamonds at the…
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…
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…
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…
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,…
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…
Dr. John Rollason (Peter Cushing), his wife, Helen (Maureen Connell), and assistant, Peter Fox (Richard Wattis), are guests of the Lama (Arnold Marlé) of the monastery…
In England, Professor Harrington begs his rival, Dr. Julian Karswell, to rescind a curse he inflicted on Harrington; in return, Harrington will cease his investigation…
The citizens of mountain town Pine Ridge, California, are concerned about a series of livestock mutilations in nearby Devil's Crag. A local, Harold Banks, is also found…
In the mid-1910s, Janet Smith (Gloria Talbott) and fiancé George Hastings (John Agar) arrive at the English manor house that Janet will inherit the next day, when she…
After nurse Jane Marvin (Beverly Garland) is administered the drug sodium pentothal by psychiatrists Erik Lorimer (Bennett) and Wayne McGregor (Douglas Kennedy), she…
Frederick Loren (Vincent Price), an eccentric millionaire, invites five people to a party he is throwing for his fourth wife Annabelle (Carol Ohmart) in an allegedly…
In Egypt in 1895, archaeologists John Banning (Cushing), his father Stephen (Felix Aylmer) and his uncle Joseph Whemple (Raymond Huntley) are searching for the tomb of…