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 using the great machine as companions ("pets") for his daughter and only outwardly resemble their Earth counterparts. Since the Krell's Great Machine can project matter "in any form" it has the power to create life. Thus, the Krell's self-destruction can be interpreted by the reader as a cosmic punishment for misappropriating the life-creating power of the universe. This is why Commander Adams says in his speech to Altaira "... we are, after all, not God". "Forbidden Planet"s innovative electronic music score, credited as "electronic tonalities", partly to avoid having to pay any of the film industry music guild fees, was