Emmett 'Doc' Brown (Lloyd), trapped in 1885, was killed by Buford 'Mad Dog' Tannen (Wilson), Biff's great-grandfather. 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. Fox, Christopher Lloyd, Mary Steenburgen, Thomas F.
The film was directed by Robert Zemeckis, and stars Michael J. Back to the Future Part III is a 1990 American science fiction Western film and the third and final installment of the Back to the Future trilogy.