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 (film) a rating of 2 and a half out of 4. While praising the film's set design, he criticized its "meandering storyline and lifeless protagonists," saying that ""Lost in Space" features a few action sequences that generate adrenaline jolts, but this is not an edge-of-the-seat motion picture." Online aggregators have tracked both contemporary and recent reviews of "Lost in Space". At Rotten Tomatoes, the film has an approval rating of 28% based on 83 appraisals, with an average score of 4.7/10. The site's consensus reads: "Clumsily directed and missing most of the TV series' campy charm, "Lost in Space" sadly lives