Back to the Future Part II: Martys visit HD CLIP

Whats happening in this movie clip Marty (Michael J. Fox) learns from the alternate 1985 Biff that he got the almanac on a precise day in 1955. Biff tries to kill Marty, but Marty and Doc (Christopher Lloyd) fly to 1955 in order to change this event. Rent or buy Back to the Future Part 2 here: Whats the movie about In 1985, Marty McFly (Michael J. Fox) and Dr Emmett Brown (Christopher Lloyd) must travel to 2015 to prevent Martys son from sabotaging the McFly familys future. But when they get back to 1985, the world they knew has