In 1985, Doc Brown invents time travel; in 1955, Marty McFly accidentally prevents his parents from meeting, putting his own existence at stake.
Director: Robert Zemeckis
Cast: Michael J. Fox, Christopher Lloyd, Lea Thompson, Crispin Glover, Thomas F. Wilson, Claudia Wells, Marc McClure, Wendie Jo Sperber, George DiCenzo, Frances Lee McCain, James Tolkan, J.J. Cohen, Casey Siemaszko, Billy Zane, Harry Waters Jr.