A scientific technician working at a radio station makes first contact with an energy alien from the Andromeda galaxy. An underling's disobedience brings it to Earth.
A scientist hires a miner to be the human subject in an experiment to speed-up evolution, which slowly turns the miner into a highly intelligent, alien-like being.
At the top secret Cypress Hills Research Center, scientists are kept under constant watch through O.B.I.T., Outer Band Individuated Teletracer, a mysterious electronic device that tunes in on the different wave lengths of the human body.
On a military base, in the frozen vastness of Greenland, an army psychiatrist devises a machine which enables him to tune in directly to his patients' thoughts.
Enabled by the metal plate in his head, Dr. Paul Cameron can overhear the immediate invasion plans of two parasitic rock aliens. Now they must kill him.
A dustball caught in a vacuum cleaner gives birth to a mindless energy creature, which a research director uses to mercilessly exert unconditional control over his staff.
After a scientist appears to invent a machine which can contact the afterlife, he convinces a rich man to finance his experiments with the possibility of contacting his benefactor's dead son.
Tycoon John Dexter spears a dolphin-like sea creature off San Blas in the Caribbean. It appears to be dead but, on shore, it comes to life and begins to make shrill, whistling sounds, which have a pattern and can be decoded.
Dr. Thomas Kellander, Director of Neo-Kinematics, is in charge of a machine that will break down matter to electrical waves so it can be transmitted like radio and reassembled at the reception point.
On the night of her marriage in 1929, Mrs. Harvey Kry's husband suddenly disappeared. He made the mistake of unwrapping a gift labeled "Don't Open Till Doomsday.
The male-scarce planet Eros needs boys. An Erosian returns to Earth to collect its five fully grown sired sons, but one is held up on trumped-up murder charges.
Fast-growing space lilies take root aboard a space station, imperiling five hapless astronauts with an aggressively dispersed scent that destroys hemoglobin.
A scientist visits an isolated expedition on a planet plagued by radioactive dust storms. He discovers that one of the team has been mutated by the dust and gained telepathic powers, which he is using to terrorize the rest of the colony.
A drifter enters a lonely house, unaware that it is actually an alien creature in disguise. Soon he realizes that he is a prisoner, along with several other half-mad inhabitants, but he is determined to escape.
The parents of a child science prodigy are approached by a mysterious official called Mr. Xeno, who offers to give him special private tutoring. Unknown to them, Mr. Xeno is an alien who wants to use their son's talents for evil.
The inhabitants of a typical suburban street find that they've been abducted by a diseased alien race, which wants to discover if humans will make suitable slaves for them.
An accident at a nuclear research facility creates a dimensional doorway in which aliens need to widen to invade our world. A scientist races to discover a way to reverse the damage and close the doorway.
Two desperate women with a body in their car trunk come upon a house by chance wherein a crazed inventor has a time machine that can bring back the dead.