Season 1

1. Beachhead

January 10, 1967 · 1h

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

2. The Experiment

January 17, 1967 · 1h

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

3. The Mutation

January 24, 1967 · 1h

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

4. The Leeches

January 31, 1967 · 1h

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

5. Genesis

February 7, 1967 · 1h

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

6. Vikor

February 14, 1967 · 1h

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

7. Nightmare

February 21, 1967 · 1h

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

8. Doomsday Minus One

February 28, 1967 · 1h

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

9. Quantity: Unknown

March 7, 1967 · 1h

While 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

March 14, 1967 · 1h

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.

11. The Ivy Curtain

March 21, 1967 · 1h

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

12. The Betrayed

March 28, 1967 · 1h

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

13. Storm

April 4, 1967 · 1h

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

14. Panic

April 11, 1967 · 1h

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

15. Moonshot

April 18, 1967 · 1h

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

16. Wall of Crystal

May 2, 1967 · 1h

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.

17. The Condemned

May 9, 1967 · 1h

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