Gordon Kent is on trial for allegedly killing a scientist in an underground cavern. Desperately, he tries to explain what they found inside the cave, and the the implications for the future of mankind.

Scientists race to warn a colleague that his experiment could destroy life on Earth.

A young child with a genius I. Q. is taken away from her mother to work at a military base. Unfortunately her intellect is so stellar she can only predict absolute doom for everyone in the future.

Martians have landed all over the world and they've left just two human beings alive, but only so they can experiment on them.

A man searches for the cause of his wife's unprecedented physical and mental transformation.

An ambitious, headstrong businessman uses his huge personal fortune to construct a spaceship that will take him to Mars.

A government on the verge of meltdown requests the help of a renowned astrophysicist who refuses their plea for assistance.

When unmanned Soviet planes land at 25 big city airports and threaten to detonate their payloads, America's only hope is a covert agent in an Iron Curtain hospital.

A research team led by Dr. Burroughs witnesses a UFO crash into the sea. Burroughs' son Roy makes a dive on the ship, but when he surfaces, his father begins to realize that Roy is not himself.

Dr. Victor Frankenstein, working in a castle on a remote Swiss island, attempts to create a perfect man but his resultant creation turns out to be a murderous beast who must be destroyed.

Captain Nemo is holding Farragut captive in his under-the-sea vessel, only to have his daughter fall in love with the handsome young sailor.

Captain Nemo's daughter falls in love with Farragut, a captive in her father's underwater vessel, only to realize she is being held a prisoner too.

An unscrupulous free-lance writer extorts the elderly owner of a seedy second-hand shop who is prescient about the future.

In 1965, an intelligence agent is assigned to discover how national secrets are being stolen from a high security plant.

A scientist discovers he cannot make the trip to Mars after building a spaceship.

An astronaut's wife considers an affair while her husband is in space.

A scientist about to be executed recounts how he stopped at nothing, including murder, to create the perfect diamond lens with which to craft a microscope enabling him to see the worlds within the microscopic realm.

Two scientists develop a formula to restore youth and a damsel volunteers to be their first subject.

An internationally acclaimed aviatrix is recruited ostensibly for a flight over the Pacific over her husband's misgivings. Years after she disappears, her angry husband is informed of the true nature of her mission and her ultimate fate.

A mind reader is the only hope to avert nuclear war.

A young man begs to be kept awake because his dreams are turning into horrifying realities.

USAF Colonel Jeffrey Ward's abilities are put to the ultimate test when a Martian spaceship lands at his base. At first glance the craft has only one passenger, but when an infection breaks out it becomes clear that there was more than one Martian on the ship.

A chemist has been trying time and again to make gold from lead. He has been laughed at and his bills are overdue. Will he ever succeed? Or what would happen if someone were to fake his success?

A disgruntled refugee scientist, frustrated in both his professional and personal lives, develops a universal solvent, which threatens to turn all solid material into water.

A depressed, tired doctor with a shrewish wife is ready to end his practice. Instead he comes into possession of a doctor's kit with miraculous properties. He and his wife disagree ethically on how to use their newfound luck.

An outcast alone in space develops space fever.

Three astronauts land on Mars, hoping to find valuable minerals. After discovering a rich deposit of uranium ore, one of the men becomes increasingly paranoid. Is it just his imagination, or are they really being watched?

The government discovers a parallel world inhabited by duplicates of humanity and sends an engineer, Bruce Calvin, to that world to kill his counterpart before the two planets destroy each other.

A scientist invents a device which can shut down all the world's electrical power.