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 (comics) began to produce an ambitious, high-quality "Lost in Space" comic, which was authorized and licensed. It was scripted by Mumy himself, and his intention was to reflect the more serious tone of the first season episodes, but this was somewhat undercut by artwork that sexualized the characters of Judy and Penny Robinson, prompting some exasperated notes from Mumy in the editorial pages. The comic also established a romantic triangle between Judy, Penny (now depicted as someone in her late teens), and Don that was not present in the original series. One storyline in this comic book retcons the "serious episodes"—which