The pilot of an experimental fighter jet passes mach 2 and then sees a UFO, off his wing, matching his speed. He believes that the craft will collide with his jet, so he ejects. Later, he tries to convince the authorities that he wasn't imagining it. They finally convince him that what he saw was simply his own pen, floating in free-fall. However, after the jet's wreckage has been retrieved, even the authorities know that the pen explanation is wrong, and that there was probably a real UFO.

A man discovers that his next door neighbors are fugitives from the future.

When Dr. Osbourne discovers bats crashing into the sides of buildings, he figures out that a radar disrupting device is being used by enemy agents.

An alien spaceship in distress is sending an SOS to personnel at an arctic outpost.

After meeting a radioactive eagle and a disappearing botanist, two prospectors discover a strange energy source in the desert.

A synthetic nutrient that prolongs the life span of human beings spawns a deadly virus.

A policeman after discovering that his mind contains all the knowledge of a dead scientist decides to continue the scientist's work.

A giant spider fossil leads a geologist to discover a method of synthesizing petroleum.

A scientist uses a strength serum to murder a man who is blackmailing him.

A telepathic chimp saves a scientist and his wife when they are confronted by a killer.

A space capsule releases a strange green gas that alters a young woman's metabolism.

A man and woman discover the dead body of an alien in the desert. They also learn that the strange lights in the Mexican Sky are caused by aliens looking for their fallen comrade.

After a chemist claims to be 200 years old there is an effort to perfect an immortality serum.

A doctor discovers that a honey formula has amazing healing powers.

After a doctor is charge with spying it is learned that a synthetic crystal can record sounds.

An Egyptologist tries to prove that the pyramids were constructed using levitation.

A scientist needs to construct a mechanical heart or his colleague will die.

The survivors of a submarine disaster claim that they saw a city on the sea floor. They, however, are ridiculed by investigators.

A U.S. scientist working on a top-secret atomic project disappears from a German city. When he reappears two weeks later, he cannot remember anything about what happened to him. He cannot communicate with those around him and appears to be brainwashed.

When electrician Vic Murphy is blasted by the electricity of a computer, his intelligence immediately soars beyond genius level and his senses enable him to hear and see things no man has ever before experienced.

On an emergency flight to the Arctic, a pilot runs into a magnetic storm. The crew is forced to use Earth's magnetic fields to escape.

A man claiming to be from another planet announces that he has a source of power greater than atomic energy. He claims he has come to share the knowledge, but is regarded as an eccentric crack pot.

Radar expert Jeff Jamison believes that his neighbors are spies from outer space. He becomes more convinced when the neighbor's little girl appears to be unable to feel pain.

A baby woolly mammoth is brought to life after being frozen in the Arctic for a half million years. Scientists attempt to discover a means of sustaining its life.

A doctor discovers that brutal murders are being caused by fumes from a wheat fungus experiment that produces violent side effects.

When a meteor's plunge into the ocean causes a hurricane that sweeps toward Florida, a meteorologist desperately searches for his son.

A scientist is comes to the desert laboratory of a dead scientist in order to evaluate the scientist's plans to create water in the arid areas of the earth.

A woman's telepathic abilities lead her and her husband to a missing biologist.

A scientist is killed by deadly termites in the jungles of Peru. A young couple attempt to complete his experiments on termites that can eat through solid rock.

A dead scientist's papers reveal that he had made a deal with aliens to help mankind's progress in science.

A social worker tries to help a deaf-mute boy who can apparantly communicate with animals. When the boy's hearing and speech are restored, he rebels.

A serum cures a dying woman but turns her into a killer who can change her physical appearance at will.

Biophysicist Dr. Ken Donaldson uses a photon gun to cure his wife of a mysterious disease.

An experimental rocket creates artificial daylight at night and causes trouble for an ex-con.

After a crew is chosen for the first flight to Mars trouble arises when the project is continually sabotaged by an astronaut.

A student tries to prove that flying saucers exist. His evidence is debunked until he turns up a photograph that could only have been taken from a distant point in the universe.

Dr. Tom Matthews uses his scientific knowledge to battle a false charge of murder. The problem is the case against Matthews is strong because Matthews's voice has been identified in compromising situations.

A thief uses a sonic paralyzer to freeze people while he steals scientific secrets.

A scientist believes that the moon is being used as a nuclear waste dumping ground by creatures from other worlds.