Lost in Space are to be cryogenically frozen for the voyage, and they are set to be unfrozen when the spacecraft approaches its destination. Meanwhile, Dr. Zachary Smith (Jonathan Harris), Alpha Control's doctor, is revealed to be a saboteur on behalf of an unnamed nation. After disposing of a guard who catches him on board the spacecraft, Smith reprograms the "Jupiter 2"s B-9 environmental control robot (voiced by Dick Tufeld) to destroy critical systems on the spaceship eight hours after launch. Smith, however, becomes trapped aboard at launch and his extra weight throws the "Jupiter 2" off course, causing it to encounter a
Lost in Space humor, including fanciful space hippies, more pirates, off-beat inter-galactic zoos, ice princesses and "Lost in Space"'s beauty pageant. During the first two seasons, episodes concluded in a "live action freeze" anticipating the following week, with the cliff-hanger caption, "To be continued next week! Same time — same channel!" For the third season, the episode would conclude, immediately followed with a vocal "teaser" from the Robot (Dick Tufeld), warning viewers to "Stay tuned for scenes from next week's exciting adventure!", which would highlight the next episode, followed by the closing credits. After cancellation, the show was successful in reruns and in