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…
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…
Captain Harry Lewis of the British East India Company is investigating why over 2,000 natives are missing, but encounters a deaf ear from his superior, Colonel…
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…
In Anchorage, journalist Ned Scott (Douglas Spencer), looking for a story, visits the Alaskan Air Command officer's club, where he meets Captain Pat Hendry (Kenneth…
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…
U. S. Navy Commander Charles "Chuck" Prescott (Marshall Thompson) is unsure if his brother, Lt. Dan Prescott (Edwards), is the right choice for piloting the high…
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.…
In 1902 Cairo Egypt, as a riot breaks out in the street, Captain Storm is assigned with a small contingent consisting of himself, Gromley, and Smolet to retrieve the…
A flying saucer arrives on Earth while searching for planets suitable to raise "Gargons", a lobster-like but air-breathing monster that is a delicacy on their home…
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…
In 1973, a nuclear-powered spaceship blasts off from Mars for Earth, bringing with it the sole survivor of the first mission, Col. Edward Carruthers (Marshall Thompson).…
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…