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 scene-stealing 'Goodnight' homage to the Waltons was included. Something fans of the original always wanted to see happen was finally realized when Don knocks out an annoyingly complaining Smith at the end of the movie, saying "That felt good!" In 2004, a television series titled "The Robinsons: Lost in Space" was developed in the U.S. A pilot for the series was filmed, however, the series was ultimately never produced. The series was originally was intended to emulate Lost in Space's unaired pilot. The 2004 show did, however feature the unnamed robot, and an additional older Robinson child named David. Penny,