Back to the Future is a 1985 American science fiction comedy film. Michael J Fox plays Marty McFly, a teenager who is accidentally sent back in time to 1955. He meets his future parents in high school and accidentally attracts his mother's romantic interest. Marty must repair the damage to history by causing his parents-to-be to fall in love, and with the help of scientist Dr. Emmett "Doc" Brown (Lloyd), he must find a way to return to 1985. - Wikipedia