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 Part II" (1989) and "Back to the Future Part III" (1990), an animated series, , and several video games. In 1985 Hill Valley, California, teenager Marty McFly and his girlfriend, Jennifer Parker, are chastised by the school principal for lateness. Marty auditions for the Battle of the Bands, but is rejected for being too loud. At home, Marty's father George is bullied by his supervisor, Biff Tannen, while his mother Lorraine is an overweight, depressed alcoholic. Lorraine recalls how she met George when her father hit him with his car. Marty is invited by his friend, eccentric inventor Dr. Emmett