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 syndication for many years, appearing on the USA Network in the mid-to-late 1980s, and on FX (TV channel), Syfy, ALN (TV network) and Hulu. In early 1968, while the final third-season episode "Junkyard in Space" was in production, the cast and crew were informally made to believe the series would return for a fourth season. Allen had ordered new scripts for the coming season. A few weeks later, however, CBS announced a list of television series they were renewing for the 1968–69 season, and "Lost in Space" was not included. CBS executives failed to offer any reasons why "Lost in