Back to the Future Part III Back to the Future Part III Back to the Future Part III is a 1990 American science fiction Western comedy film and the third and final installment of the "Back to the Future" trilogy. The film was directed by Robert Zemeckis, and stars Michael J. Fox, Christopher Lloyd, Mary Steenburgen, Thomas F. Wilson and Lea Thompson. The film continues immediately following "Back to the Future Part II" (1989); while stranded in 1955 during his time travel adventures, Marty McFly (Fox) discovers that his friend Dr. Emmett "Doc" Brown, trapped in 1885, was killed by Biff Tannen's great-grandfather Buford. Marty travels
Hill Valley (Back to the Future) "Back to the Future Part II" mentioned that Hill Valley was named after its founder, William "Bill" Hill. The design of the courthouse facade and Clock Tower is based on the real-life Limestone County Courthouse in Athens, Alabama. For "Back to the Future", the producers considered filming the town square scenes in the real city of Petaluma, California, but soon realised it would be prohibitively expensive and impractical to alter a real place to suit the different eras. Instead filming was completed on the Universal Studios backlot, where they had more control. The main location, once called Mockingbird Square after