Lost in Space Zachary Smith – an agent for an unnamed foreign government – who slips aboard the spaceship and reprograms the robot to destroy the ship and crew. However, Smith is trapped aboard, and his excess weight alters the craft's flight path and places it directly in the path of a massive meteor storm. Smith manages to save himself by prematurely reviving the crew from suspended animation. The ship survives, but the damage caused by Smith's earlier sabotage of the robot leaves the crew lost in space. The "Jupiter 2" crash-lands on an alien world, later identified by Will as Priplanus, where
Lost in Space The foreboding derelict ship from season 1 was redressed to become the "Vera Castle" in season 3. The Fuel Barge from season 2 became a Space Lighthouse in season 3. The derelict ship was used again in season 3, with a simple color change. Likewise the alien pursuer's ship in "The Sky Pirate", was lifted from the 1958 film "War of the Satellites", and was re-used in the episode "Deadliest of the Species". Despite being credited as a "Special Guest Star" in every episode, Smith became the pivotal character of the series. The show's writers expected that Smith would be