The Tempest two other silent versions, one from 1911 by Edwin Thanhouser, are known to have existed, but have been lost. The plot was adapted for the Western "Yellow Sky", directed by William A. Wellman, in 1946. The 1956 science fiction film "Forbidden Planet" set the story on a planet in space, Altair IV, instead of an island. Professor Morbius and his daughter Altaira (Anne Francis) are the Prospero and Miranda figures (both Prospero and Morbius having harnessed the mighty forces that inhabit their new homes). Ariel is represented by the helpful Robby the Robot, while Sycorax is replaced with the powerful
Planet of the Apes 1981, Fox reedited ten of the episodes into five television films. Each film combined two episodes and (in some markets) added new introductory and concluding segments starring McDowall as an aged Galen. The films were given what scholar Eric Greene calls "the most outlandish titles of the "Apes" corpus": "Back to the Planet of the Apes"; "Forgotten City of the Planet of the Apes"; "Treachery and Greed on the Planet of the Apes"; "Life, Liberty and Pursuit on the Planet of the Apes"; and "Farewell to the Planet of the Apes". Greene finds the show's position in the "Apes" timeline