Back to the Future Part 3 (7/10) Movie CLIP - Time’s Up, Runt! (1990) HD

Back to the Future Part III movie clips: BUY THE MOVIE: Don’t miss the HOTTEST NEW TRAILERS: CLIP DESCRIPTION: Marty (Michael J. Fox) tricks Mad Dog (Thomas F. Wilson) into thinking he’s dead... and then knocks him out. FILM DESCRIPTION: The final installment in the Back to the Future trilogy picks up where the second film left off, but it casts off the dizzying time travel of the first two films for mostly routine comedy set in the Old West.