Cast: Angela Cartwright, Bill Mumy, Bob May, Dick Tufeld, Guy Williams, Jonathan Harris, June Lockhart, Mark Goddard, Marta Kristen. The astronaut family of Dr. John Robinson, accompanied by a pilot and a robot, set out in the year 1997 from an overpopulated Earth in the spaceship Jupiter 2 to travel to a planet circling the star Alpha Centauri. The Jupiter 2 mission is sabotaged by Dr. Zachary Smith (an agent for an unnamed foreign government) who slips aboard the spaceship and reprograms the robot to destroy the ship and crew.
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