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 film footage cut to ensure it received a "G" rating from the Motion Picture Association of America. Later video releases carry a "G" rating, though they are all the original theatrical version. The American Film Institute nominated the film for their top 10 science fiction films. The score was nominated for AFI's 100 Years of Film Scores. "Forbidden Planet" was first released in the pan and scan format in 1982 on MGM VHS and Betamax videotape and on MGM laser disc and CED Videodisc; years later, in 1996, it was again re-issued by MGM/UA, but this time in widescreen VHS