Back to the future - When teenager Marty McFly is blasted to 1955 in the DeLorean time machine created by the eccentric Doc Brown, he finds himself mixed up in a time-shattering chain reaction that could vaporize his future, and leave him trapped in the past. Back to the future II - Marty visits 2015 to straighten out the future of the McFly family, but Biff Tannen steals the time machine, and with it a book that allows his young self to amass a...