In the year 1997, the Robinson family takes off in their
spaceship, The Jupiter-2, on America's first colonization
mission to Alpha Centauri. However, a spy for a foreign
country, Dr. Zachary Smith, sneaks on board and sabotages the
mission by reprogramming the ship's robot to destroy the
Jupiter-2 after launch. But Smith becomes trapped on board,
and the Robinsons save the ship, but not before it's guidance
system is damaged, and the Jupiter-2 becomes lost in space.
The Robinson family repairs Robot who because a wonderful
friend and protector.