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 direction for the fourth season with CBS chief executive Bill Paley, Allen was furious when told that the budget would be cut by 15% from Season Three. The "Lost in Space Forever" DVD cites declining ratings and escalating costs as the reasons for cancellation. Irwin Allen admitted that the Season 3 ratings showed an increasing percentage of children among the total viewers, meaning a drop in the "quality audience" that advertisers preferred. Guy Williams grew embittered with his role on the show as it became increasingly "campy" in Seasons 2 and 3 while centering squarely on the antics of Harris'