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…
After Marian Forbes is spurned by Harris Chapman, the wealthy Seattle businessman whom she has served as secretary, financial advisor and mistress for many years, she…
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,…
Near a small East Coast beach town, in broad daylight and a short distance from shore, a boat dumps a 55-gallon metal drum labeled "Danger Radioactive Waste" into the…
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…
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…
Dominic Quesada and Johnny Gray, two SCUBA divers searching for sunken treasure off the coast of Cuba, think they\'ve hit the jackpot when they find a 17th century ship…
In 1841, a sailor named Ishmael wanders to the New England town of New Bedford, Massachusetts to sign on a whaling ship. In the inn where he is staying for the night, he…
Far north of the Arctic Circle, a nuclear bomb test, dubbed "Operation Experiment", is conducted. Prophetically, right after the blast, physicist Thomas Nesbitt muses…
Peter Willems (Trevor Howard), a selfish and ambitious man, is accused of stealing in his position as manager of a shipping port operation near Singapore. After he is…
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…
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…
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…
Scientists accidentally unleash a legion of giant killer crabs. A biological experiment in Florida goes awry. The result: 8-foot long land crabs which roar loudly and…
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.…
Tribal chief Akhoba leads a hunting party into the hills to search for prey. One member of the tribe traps a warthog in a pit, and then Akhoba's son Tumak kills it. The…