Episodes
1. Beachhead
Jan 10, 1967 1h 8.0An architect's close encounter with a spaceship leads him to investigate a small town's hydroelectric plant.
2. The Experiment
Jan 17, 1967 1h 8.0David Vincent meets with an eminent astrophysicist who has proof that aliens are invading the planet.
3. The Mutation
Jan 24, 1967 1h 8.2With the assistance of Vicki, a nightclub stripper, Vincent continues his search for an alien spacecraft.
4. The Leeches
Jan 31, 1967 1h 8.4Vincent is called on by a renowned electronics expert who fears he may soon be abducted by alien invaders.
5. Genesis
Feb 7, 1967 1h 8.0Vincent's search for aliens lead him to an underwater sea lab.
6. Vikor
Feb 14, 1967 1h 7.8A dying telephone lineman's fantastic story leads Vincent to investigate a huge industrial complex owned by a famous war hero.
7. Nightmare
Feb 21, 1967 1h 8.0Vincent travels to a small town to check a possible link between the aliens and an attack of carnivorous insects.
8. Doomsday Minus One
Feb 28, 1967 1h 7.8Vincent is called upon to help avert possible alien infiltration at a government nuclear test site.
9. Quantity: Unknown
Mar 7, 1967 1h 8.6While investigating the theft of a mysterious cylinder from the site of a plane crash, Vincent is captured and suspected of being an alien.
10. The Innocent
Mar 14, 1967 1h 8.4The 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.
11. The Ivy Curtain
Mar 21, 1967 1h 8.2Vincent discovers that a school is being used by the aliens as an indoctrination center.
12. The Betrayed
Mar 28, 1967 1h 8.0Vincent discovers a mysterious computer tape that could offer proof of the alien invasion.
13. Storm
Apr 4, 1967 1h 8.4Vincent is contacted by a meterologist to help investigate the suspicious nature of a hurricane along the Eastern U.S. coast.
14. Panic
Apr 11, 1967 1h 8.6The invaders and Vincent race to capture a wounded alien whose touch brings on freezing death.
15. Moonshot
Apr 18, 1967 1h 8.4Vincent helps a security official investigate the deaths of two lunar astronauts in a strange red fog.
16. Wall of Crystal
May 2, 1967 1h 8.5David's brother, who also thinks he is crazy, is kidnapped by the aliens who intend to destroy the oxygen in our planet's air.
17. The Condemned
May 9, 1967 1h 8.5The invaders frame Vincent for the death of an owner of an electronics plant who had made discoveries about the aliens.