Back to the Future Part III (of three) is a 1990 American adventure, comedy, sci-fi film, directed by Robert Zemeckis, and stars Michael J. Fox, and Christopher Lloyd. Marty McFly gets stranded in 1955 when Doctor Brown disappears. Mary is found and helped once again by the 1955 Dr. Brown – and Marty travels to the past.
Back to the Future Part III (of three) is a 1990 American adventure, comedy, sci-fi film, directed by Robert Zemeckis, and written by Robert Zemeckis, Bob Gale, and more. It stars Michael J. Fox, Christopher Lloyd, Mary Steenburgen, Thomas F. Wilson, and more. It premiered in the USA on May 25, 1990.
Full IMDb Storyline:
Stranded in 1955, Marty McFly receives written word from his friend, Doctor Emmett Brown, as to where can be found the DeLorean time machine. However, an unfortunate discovery prompts Marty to go to his friend's aid. Using the time machine, Marty travels to the old west where his friend has run afoul of a gang of thugs and has fallen in love with a local schoolteacher. Using the technology from the time, Marty and Emmett devise one last chance to send the two of them back to the future.