A doctor's research into the roots of evil turns him into a hideous depraved fiend.
Dr. Henry Jekyll believes that there are two distinct sides to men - a good and an evil side. He believes that by separating the two, man can become liberated.
An obsessed scientist conducts profane experiments in evolution, eventually establishing himself as the self-styled demigod to a race of mutated, half-human abominations.
Wrongfully convicted of a robbery and murder, Paul Lavond breaks out of prison with a genius scientist who has devised a way to shrink humans.
Dr. Jekyll believes good and evil exist in everyone and creates a potion that allows his evil side, Mr. Hyde, to come to the fore.
Paula, the ape woman, has survived the ending of CAPTIVE WILD WOMAN and is running around a creepy old sanitarium run by the kindly Dr.
Scientists and US Air Force officials fend off a blood-thirsty alien organism while investigating at a remote arctic outpost.
While watching for a planet that may collide with earth, scientists stationed in Scotland are approached by a visitor from outer space.
The son of the notorious Dr. Henry Jekyll is determined to prove that his father's reputation has been unjustly deserved.
Murders, with victims dying from spines broken by brute strength, erupt in the city and the killers, when encountered, walk away unharmed by police bullets which strike them.
The first manned spacecraft, fired from an English launchpad, is first lost from radar, then roars back to Earth and crashes in a farmer's field, and is found to contain only one of the three men who took off in it; and he is unable to talk but appears to be undergoing a torturous physical and mental metamorphosis.
A small-town doctor learns that the population of his community is being replaced by emotionless alien duplicates.
Mining engineer Shigeru investigates the disappearance and death of his fellow coworkers when prehistoric nymphs are discovered emerging from the mines.
An agent from a distant planet has been sent to earth to ship large quantities of blood to his world, where a plague is ravaging the populace.
A dangerous combination of radiation and insecticide causes the unfortunate Scott Carey to shrink, slowly but surely, until he is only a few inches tall.
In England, a group of space scientists led by Bernard Quatermass, who have developed plans for the first Moon colony, learn that a secret, ostensibly government-run, complex of identical design has been built in a remote part of England and is the focus of periodic falls of small, hollow "meteorites" originating in outer space.
A psychiatrist treats a woman who is convinced that she turns into a killer leopard because of a family curse.
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