Stranded in 1955, Marty McFly discovers the demise of Doc Brown in 1885 and must time-travel to save him. With the DeLorean lacking fuel, the duo must devise a strategy to escape the Old West before Emmett's demise.Robert Zemeckis, who wrote the screenplay with Bob Gale, helmed the movie. Notable actors Michael J. Fox, Christopher Lloyd, and Mary Steenburgen play starring roles.