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
Back to the Future: The Game and because of that, his girlfriend, Betty (Jennifer’s grandmother) had break up with him and in hope of win her back, he worked for Kid to have some money. After Marty reasoned with him, Parker decided to turn against Kid to win back Betty. Kid and his gang are jailed, and all appears well. Marty and Doc return to the future unaware that their actions have caused Edna to fall in love with Emmett, and their relationship causes Emmett to forgo his scientific inventions. When they return to 1986 again, Doc disappears, and Marty crashes the DeLorean into a billboard.