Season 1
17 episodes · Jan 10, 1967
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S1E1Beachhead
Jan 10, 196760mAn architect's close encounter with a spaceship leads him to investigate a small town's hydroelectric plant.
S1E2The Experiment
Jan 17, 196760mDavid Vincent meets with an eminent astrophysicist who has proof that aliens are invading the planet.
S1E3The Mutation
Jan 24, 196760mWith the assistance of Vicki, a nightclub stripper, Vincent continues his search for an alien spacecraft.
S1E4The Leeches
Jan 31, 196760mVincent is called on by a renowned electronics expert who fears he may soon be abducted by alien invaders.
S1E6Vikor
Feb 14, 196760mA dying telephone lineman's fantastic story leads Vincent to investigate a huge industrial complex owned by a famous war hero.
S1E7Nightmare
Feb 21, 196760mVincent travels to a small town to check a possible link between the aliens and an attack of carnivorous insects.
S1E8Doomsday Minus One
Feb 28, 196760mVincent is called upon to help avert possible alien infiltration at a government nuclear test site.
S1E9Quantity: Unknown
Mar 7, 196760mWhile investigating the theft of a mysterious cylinder from the site of a plane crash, Vincent is captured and suspected of being an alien.
S1E10The Innocent
Mar 14, 196760mThe 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.
S1E11The Ivy Curtain
Mar 21, 196760mVincent discovers that a school is being used by the aliens as an indoctrination center.
S1E12The Betrayed
Mar 28, 196760mVincent discovers a mysterious computer tape that could offer proof of the alien invasion.
S1E13Storm
Apr 4, 196760mVincent is contacted by a meterologist to help investigate the suspicious nature of a hurricane along the Eastern U.S. coast.
S1E14Panic
Apr 11, 196760mThe invaders and Vincent race to capture a wounded alien whose touch brings on freezing death.
S1E15Moonshot
Apr 18, 196760mVincent helps a security official investigate the deaths of two lunar astronauts in a strange red fog.
S1E16Wall of Crystal
May 2, 196760mDavid's brother, who also thinks he is crazy, is kidnapped by the aliens who intend to destroy the oxygen in our planet's air.
S1E17The Condemned
May 9, 196760mThe invaders frame Vincent for the death of an owner of an electronics plant who had made discoveries about the aliens.