Lost in Space as a happy crew without internal conflicts. While many storylines in the later series focused primarily on Dr. Zachary Smith, a stowaway and saboteur played by Jonathan Harris, he was absent from the unaired pilot. His character was added after the series was commissioned for production. The pilot episode was first aired on television during a 1997 retrospective. CBS bought the series, turning down "Star Trek" in favor of "Lost in Space". Before the first episode was filmed, the characters Smith and the Robot were added, and the spaceship, originally named "Gemini 12", was renamed the "Jupiter 2" and redesigned.
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,