Back to the Future (franchise) of sporting events to make easy money. However, Doc talks him out of it and throws the almanac in the bin, where the 2015 Biff Tannen finds it. A sleeping Jennifer has been taken by police to her future home, needing Marty and Doc to retrieve her before returning to 1985. While Marty and Doc are at the 2015 McFly home, 2015 Biff steals the DeLorean time machine and gives the book to his 1955 self just before he goes to the dance at the end of the first film. When Doc and Marty return to 1985, they find that
Back to the Future shots, which did not satisfy Zemeckis and Gale until a week before the film's completion date. The compositing involved for the film's time travel sequences, as well as for the lightning effects in the climactic clock tower scene, was handled by animation supervisor Wes Takahashi, who would also work on the subsequent two "Back to the Future" films with the rest of the ILM crew. Alan Silvestri collaborated with Zemeckis on "Romancing the Stone", but Spielberg disliked that film's score. Zemeckis advised Silvestri to make his compositions grand and epic, despite the film's small scale, to impress Spielberg. Silvestri began