Season 1

• 

  7.9/10426 votes

  Beachhead

  Season 1 Episode 1 - Aired 1/10/1967

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

  Director: Joseph Sargent

  Writer: Anthony Wilson

• 

  7.7/10325 votes

  The Experiment

  Season 1 Episode 2 - Aired 1/17/1967

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

  Director: Joseph Sargent

  Writer: Anthony Spinner

• 

  7.5/10324 votes

  The Mutation

  Season 1 Episode 3 - Aired 1/24/1967

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

  Director: Paul Wendkos

  Writer: David T. Chantler

• 

  7.5/10290 votes

  The Leeches

  Season 1 Episode 4 - Aired 1/31/1967

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

  Director: Paul Wendkos

  Writer: Daniel B. Ullman

• 

  7.5/10278 votes

  Genesis

  Season 1 Episode 5 - Aired 2/7/1967

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

  Director: Richard Benedict

  Writer: John W. Bloch

• 

  7.6/10288 votes

  Vikor

  Season 1 Episode 6 - Aired 2/14/1967

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

  Director: Paul Wendkos

  Writer: Meyer Dolinsky

• 

  7.3/10258 votes

  Nightmare

  Season 1 Episode 7 - Aired 2/21/1967

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

  Director: Paul Wendkos

  Writer: John Kneubuhl

• 

  7.6/10266 votes

  Doomsday Minus One

  Season 1 Episode 8 - Aired 2/28/1967

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

  Director: Paul Wendkos

  Writer: Louis Vittes

• 

  7.7/10265 votes

  Quantity: Unknown

  Season 1 Episode 9 - Aired 3/7/1967

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

  Director: Sutton Roley

  Writer: Unknown

• 

  8.3/10302 votes

  The Innocent

  Season 1 Episode 10 - Aired 3/14/1967

  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.

  Director: Sutton Roley

  Writer: John W. Bloch

• 

  7.8/10247 votes

  The Ivy Curtain

  Season 1 Episode 11 - Aired 3/21/1967

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

  Director: Joseph Sargent

  Writer: Don Brinkley

• 

  7.2/10235 votes

  The Betrayed

  Season 1 Episode 12 - Aired 3/28/1967

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

  Director: John Meredyth Lucas

  Writer: John W. Bloch

• 

  7.5/10251 votes

  Storm

  Season 1 Episode 13 - Aired 4/4/1967

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

  Director: Paul Wendkos

  Writer: John Kneubuhl

• 

  7.6/10240 votes

  Panic

  Season 1 Episode 14 - Aired 4/11/1967

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

  Director: Robert Butler

  Writer: Robert Sherman

• 

  7.7/10250 votes

  Moonshot

  Season 1 Episode 15 - Aired 4/18/1967

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

  Director: Paul Wendkos

  Writer: Rita Lakin

• 

  7.8/10234 votes

  Wall of Crystal

  Season 1 Episode 16 - Aired 5/2/1967

  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.

  Director: Joseph Sargent

  Writer: Daniel B. Ullman

• 

  7.6/10220 votes

  The Condemned

  Season 1 Episode 17 - Aired 5/9/1967

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

  Director: Richard Benedict

  Writer: Robert Sherman