Back to the Future him to 2015 to resolve a problem with their future children. The trio board the DeLorean, which has been upgraded with hover technology, and warp to the future. Writer and producer Bob Gale conceived "Back to the Future" after he visited his parents in St. Louis, Missouri after the release of "Used Cars". Searching their basement, Gale found his father's high school yearbook and discovered he was president of his graduating class. Gale had not known the president of his own graduating class, and wondered whether he would have been friends with his father if they went to high school
Back to the Future to See Before You Die". "Back to the Future" success led to two film sequels: "Back to the Future Part II" and "Back to the Future Part III". "Part II" was released on November 22, 1989, to mixed reviews and similar financial success as the original, finishing as the third highest-grossing film of the year worldwide. The film continues directly from the ending of "Back to the Future" and follows Marty and Doc as they travel into the future of 2015, an alternative 1985, and 1955 where Marty must repair the future while avoiding his past self from the original