Seasons & episodes

S1 · E1Beachhead 1967-01-10 · 60 min＋

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

S1 · E2The Experiment 1967-01-17 · 60 min＋

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

S1 · E3The Mutation 1967-01-24 · 60 min＋

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

S1 · E4The Leeches 1967-01-31 · 60 min＋

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

S1 · E5Genesis 1967-02-07 · 60 min＋

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

S1 · E6Vikor 1967-02-14 · 60 min＋

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

S1 · E7Nightmare 1967-02-21 · 60 min＋

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

S1 · E8Doomsday Minus One 1967-02-28 · 60 min＋

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

S1 · E9Quantity: Unknown 1967-03-07 · 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.

S1 · E10The Innocent 1967-03-14 · 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.

S1 · E11The Ivy Curtain 1967-03-21 · 60 min＋

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

S1 · E12The Betrayed 1967-03-28 · 60 min＋

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

S1 · E13Storm 1967-04-04 · 60 min＋

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

S1 · E14Panic 1967-04-11 · 60 min＋

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

S1 · E15Moonshot 1967-04-18 · 60 min＋

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

S1 · E16Wall of Crystal 1967-05-02 · 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.

S1 · E17The Condemned 1967-05-09 · 60 min＋

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