Season 1

01 Beachhead Episode 110th January 1967 An architect's close encounter with a spaceship leads him to investigate a small town's hydroelectric plant. 02 The Experiment Episode 217th January 1967 David Vincent meets with an eminent astrophysicist who has proof that aliens are invading the planet. 03 The Mutation Episode 324th January 1967 With the assistance of Vicki, a nightclub stripper, Vincent continues his search for an alien spacecraft. 04 The Leeches Episode 431st January 1967 Vincent is called on by a renowned electronics expert who fears he may soon be abducted by alien invaders. 05 Genesis Episode 57th February 1967 Vincent's search for aliens lead him to an underwater sea lab. 06 Vikor Episode 614th February 1967 A dying telephone lineman's fantastic story leads Vincent to investigate a huge industrial complex owned by a famous war hero. 07 Nightmare Episode 721st February 1967 Vincent travels to a small town to check a possible link between the aliens and an attack of carnivorous insects. 08 Doomsday Minus One Episode 828th February 1967 Vincent is called upon to help avert possible alien infiltration at a government nuclear test site. 09 Quantity: Unknown Episode 97th March 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. 10 The Innocent Episode 1014th March 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. 11 The Ivy Curtain Episode 1121st March 1967 Vincent discovers that a school is being used by the aliens as an indoctrination center. 12 The Betrayed Episode 1228th March 1967 Vincent discovers a mysterious computer tape that could offer proof of the alien invasion. 13 Storm Episode 134th April 1967 Vincent is contacted by a meterologist to help investigate the suspicious nature of a hurricane along the Eastern U.S. coast. 14 Panic Episode 1411th April 1967 The invaders and Vincent race to capture a wounded alien whose touch brings on freezing death. 15 Moonshot Episode 1518th April 1967 Vincent helps a security official investigate the deaths of two lunar astronauts in a strange red fog. 16 Wall of Crystal Episode 162nd May 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. 17 The Condemned Episode 179th May 1967 The invaders frame Vincent for the death of an owner of an electronics plant who had made discoveries about the aliens.