A radio station engineer named Allan Maxwell establishes contact with an alien being. But when the station's power is turned up, the alien is teleported to Earth where its radioactive nature causes havoc.

A sinister foreign power replaces the President of the United States with its own agent via the use of a powerful drug allowing the skin to be temporarily molded into any likeness.

A noble scheme goes horribly awry when a group of scientists plan an elaborate hoax designed to frighten and ultimately unite humankind.

A radical experiment gives a college professor incredible power, which his subconcious mind uses to destroy his enemies.

A scientist discovers a way to speed up evolution and tries out the process on a simple miner.

An astronaut travels to the 23rd Century, where he finds the Earth a blasted wasteland inhabited by monsters.

A new invention allows spying on anyone, anywhere.

At a military base far in the arctic, a man invents a machine which allows two minds to contact one another. An earthquake causes a malfunction and two men wake up to find that their minds have switched bodies.

A man with a steel plate in his head overhears conversations about global conquest. But where are the voices coming from?

In a war action with the planet Ebon, some soldiers are captured, interrogated and tortured.

An incredible being made of pure energy imperils the staff of a research lab and hides a deadly secret.

A scientist named Ian Fraser invents a machine which can pierce the borderland between this world and... The Afterlife? Maybe. Fraser convinces an industrialist to finance future experiments with the possibility of contacting the rich man's dead son.

In a South American country a group of explorers discover a prehistoric monster in an ancient lake. The discovery leads them into conflict with the country's dictator.

Exiles from the planet Zanti arrive on Earth, and a startling truth is uncovered when two human renegades invade their privacy.

A convict serving a life sentence finds that he has an alternative: change places with an alien.

Two Martian investigators probe our custom of homicide.

A young couple's honeymoon is cut short by the horrifying contents of a mysterious box.

A queen bee assumes a human appearance in order to make an unwary scientist into her new mate.

A government agent infiltrates a secret criminal organization that uses alien parasites to control its members.

A scientist captures an alien that can protect itself with an unbreakable shield.

Four scientists disappear in one day. All were born in the same county, on the same day. A fifth scientist is in jail and a federal agent is assigned to the case. The fifth man is sprung from jail by a mysterious stranger who says he's the young man's father.

Scientists on a space station discover an unusual and dangerous plant.

A group of people board an amusement park ride. Then they (and their surprised "captain") find that they're really going on a space jaunt.

Workers on a moon base find a mysterious rock that appears to be alive.

A radioactive rainstorm at a scientific base on a distant planet mutates a scientist driving him insane and making him telepathic.