Lost in Space Harris as an older Will Robinson and Zachary Smith. They attempt one more time to return to Earth but find that they are "Lost in Space ... Forever!" Lost in Space showcased a variety of transportation methods of transportation in the series. The "Jupiter 2" is a two-deck, nuclear powered flying saucer spacecraft. The version seen in the series was depicted with a lower level and landing legs. On the lower level were the atomic motors, which use a fictional substance called "deutronium" for fuel. The ship's living quarters feature Murphy beds, a galley, a laboratory, and the robot's "magnetic
Lost in Space during its original network television run. The more cerebral "Star Trek" never averaged higher than 52nd in the ratings during its three seasons, while "Lost in Space" finished season one with a rating of 32nd, season two in 35th place, and the third and final season in 33rd place. "Lost in Space" also ranked third as one of the top five favorite new shows for the 1965–1966 season in a viewer TVQ poll. The other top contenders were "The Big Valley", "Get Smart", "I Dream of Jeannie" and "F Troop". "Lost in Space" was the favorite show of John F.