Air date: 1967-01-10

Runtime: 60 min

An architect's close encounter with a spaceship leads him to investigate a small town's hydroelectric plant.

Air date: 1967-01-17

Runtime: 60 min

David Vincent meets with an eminent astrophysicist who has proof that aliens are invading the planet.

Air date: 1967-01-24

Runtime: 60 min

With the assistance of Vicki, a nightclub stripper, Vincent continues his search for an alien spacecraft.

Air date: 1967-01-31

Runtime: 60 min

Vincent is called on by a renowned electronics expert who fears he may soon be abducted by alien invaders.

Air date: 1967-02-07

Runtime: 60 min

Vincent's search for aliens lead him to an underwater sea lab.

Air date: 1967-02-14

Runtime: 60 min

A dying telephone lineman's fantastic story leads Vincent to investigate a huge industrial complex owned by a famous war hero.

Air date: 1967-02-21

Runtime: 60 min

Vincent travels to a small town to check a possible link between the aliens and an attack of carnivorous insects.

Air date: 1967-02-28

Runtime: 60 min

Vincent is called upon to help avert possible alien infiltration at a government nuclear test site.

Air date: 1967-03-07

Runtime: 60 min

While investigating the theft of a mysterious cylinder from the site of a plane crash, Vincent is captured and suspected of being an alien.

Air date: 1967-03-14

Runtime: 60 min

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.

Air date: 1967-03-21

Runtime: 60 min

Vincent discovers that a school is being used by the aliens as an indoctrination center.

Air date: 1967-03-28

Runtime: 60 min

Vincent discovers a mysterious computer tape that could offer proof of the alien invasion.

Air date: 1967-04-04

Runtime: 60 min

Vincent is contacted by a meterologist to help investigate the suspicious nature of a hurricane along the Eastern U.S. coast.

Air date: 1967-04-11

Runtime: 60 min

The invaders and Vincent race to capture a wounded alien whose touch brings on freezing death.

Air date: 1967-04-18

Runtime: 60 min

Vincent helps a security official investigate the deaths of two lunar astronauts in a strange red fog.

Air date: 1967-05-02

Runtime: 60 min

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.

Air date: 1967-05-09

Runtime: 60 min

The invaders frame Vincent for the death of an owner of an electronics plant who had made discoveries about the aliens.