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
Forbidden Planet and laserdisc, both for the film's 40th anniversary. But it was The Criterion Collection that later re-issued "Forbidden Planet" in CinemaScope's original wider screen 2.55-to-1 aspect ratio, on a deluxe laserdisc set, with various extra features on a second disc. Warner Bros. next released the film on DVD in 1999 (MGM's catalog of films had been sold in 1998 to AOL-Time Warner by Turner Entertainment and MGM/UA). Warner's release offered both cropped and widescreen picture formats on the same disc. For the film's 50th anniversary, the Ultimate Collector's Edition was released on November 28, 2006, in an oversized red metal