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 Bulletin" of Britain praised the film as "an enjoyably thorough-going space fantasy," adding, "In tone the film adroitly combines naivete with sophistication, approaching its inter-planetary heroics with a cheerful consciousness of their absurdity that still allows for one or two genuinely weird and exciting moments, such as the monster's first advance on the spaceship." According to MGM records the film initially earned $1,530,000 in the U.S. and Canada and $1,235,000 elsewhere resulting in a profit of $210,000. "Forbidden Planet" was re-released to film theaters during 1972 as one of MGM's "Kiddie Matinee" features; it was missing about six minutes of