@Universal Pictures -Marty McFly (Michael J. Fox) travels back to the present of 1985... but things are different. Now, Biff Tannen (Thomas F. Wilson) has taken over heuvel Valley and married his mom! Watch to find out how Biff ruined heuvel Valley...
How fast does the Delorean really go in the film? Did Doc lie to Marty? of us? Find out the true speed of the car in this analysis and breakdown of BTTF!