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 Part III capacitor appears, manned by Doc, Clara, and their two children Jules and Verne. Doc gives Marty a photo of the two of them by the clockworks in 1885. Jennifer asks about the fax, and Doc tells them it means that the future has not yet been written. Doc departs and the train disappears into an unknown time. The origins of the western theme for "Back to the Future Part III" lie in the production of the original film. During filming for the original, director Zemeckis asked Michael J. Fox what time period he would like to see. Fox replied that