Forbidden Planet box, using the original film poster for its wraparound cover. Both DVD and high definition HD DVD formats were available in this deluxe package. Inside both premium packages were the films "Forbidden Planet" and "The Invisible Boy", "The Thin Man" episode "Robot Client" ("Robby The Robot", one of the film's co-stars, was also a guest star in both "The Thin Man" episode and "The Invisible Boy") and a documentary "Watch the Skies!: Science Fiction, The 1950s and Us". Also included were miniature lobby cards and an 8 cm (3-inch) toy replica of Robby the Robot. This was quickly followed by
Forbidden Planet Altair IV. The screenplay by Irving Block and Allen Adler, written in 1952, was originally titled "Fatal Planet". The later screenplay draft by Cyril Hume renamed the film "Forbidden Planet", because this was believed to have greater box-office appeal. Block and Adler's drama took place in the year 1976 on the planet Mercury. An Earth expedition headed by John Grant is sent to the planet to retrieve Dr. Adams and his daughter Dorianne, who have been stranded there for twenty years. From then on, its plot is roughly the same as that of the completed film, though Grant is able