Aired: 1/10/1967
An architect's close encounter with a spaceship leads him to investigate a small town's hydroelectric plant.
Aired: 1/17/1967
David Vincent meets with an eminent astrophysicist who has proof that aliens are invading the planet.
Aired: 1/24/1967
With the assistance of Vicki, a nightclub stripper, Vincent continues his search for an alien spacecraft.
Aired: 1/31/1967
Vincent is called on by a renowned electronics expert who fears he may soon be abducted by alien invaders.
Aired: 2/7/1967
Vincent's search for aliens lead him to an underwater sea lab.
Aired: 2/14/1967
A dying telephone lineman's fantastic story leads Vincent to investigate a huge industrial complex owned by a famous war hero.
Aired: 2/21/1967
Vincent travels to a small town to check a possible link between the aliens and an attack of carnivorous insects.
Aired: 2/28/1967
Vincent is called upon to help avert possible alien infiltration at a government nuclear test site.
Aired: 3/7/1967
While investigating the theft of a mysterious cylinder from the site of a plane crash, Vincent is captured and suspected of being an alien.
Aired: 3/14/1967
The aliens take David Vincent up into their spaceship and then attempt to prove they have nothing but peaceful intentions by showing him what they've done to a desert valley. But all is not what it seems.
Aired: 3/21/1967
Vincent discovers that a school is being used by the aliens as an indoctrination center.
Aired: 3/28/1967
Vincent discovers a mysterious computer tape that could offer proof of the alien invasion.
Aired: 4/4/1967
Vincent is contacted by a meterologist to help investigate the suspicious nature of a hurricane along the Eastern U.S. coast.
Aired: 4/11/1967
The invaders and Vincent race to capture a wounded alien whose touch brings on freezing death.
Aired: 4/18/1967
Vincent helps a security official investigate the deaths of two lunar astronauts in a strange red fog.
Aired: 5/2/1967
David's brother, who also thinks he is crazy, is kidnapped by the aliens who intend to destroy the oxygen in our planet's air.
Aired: 5/9/1967
The invaders frame Vincent for the death of an owner of an electronics plant who had made discoveries about the aliens.
