forbiddenplanet Sci-fi classic featuring Robby the Robot Classic sci-fi film 1956 1956 sci-fi movie with Robby the Robot 1956 Pidgeon/Francis space movie 1956 film based on "The Tempest" 1956 sci-fi classic 1950's science fiction film 1956 Walter Pidgeon sci-fi classic Sci-fi version of "The Tempest"