Robot (Lost in Space) arms. The Robot was performed by Bob May in a prop costume built by Bob Stewart. The voice was primarily dubbed by Dick Tufeld, who was also the series' narrator, and Jorge Arvizu for the Spanish dubbing. The Robot was designed by Robert Kinoshita, who also designed "Forbidden Planet"'s Robby the Robot. Robby appears in Lost in Space episode #20 "War of the Robots" and in episode #60 "Condemned of Space". The Robot did not appear in the unaired pilot episode, but was added to the series once it had been greenlit. Initially, the bellows-covered legs were articulated, and were
Forbidden Planet titular alien presence. In the authorized biography of "Star Trek" creator Gene Roddenberry, Roddenberry notes that "Forbidden Planet" "was one of [his] inspirations for "Star Trek"". Elements of the "Doctor Who" serial "Planet of Evil" were consciously based on the 1956 film. "Forbidden Planet" and star Anne Francis are named alongside ten other classic science fiction films in the opening song "Science Fiction Double Feature" in the stage musical "The Rocky Horror Show" and its subsequent film adaptation. The British musical "Return to the Forbidden Planet" was inspired by and loosely based on the MGM film, and won the Olivier