Back to the Future 4 - 2020 Movie Trailer Parody

Marty and the doc are back! Back to the Future 4, coming in 2020. When Doc Brown receives a mysterious package he finds a cryptic message from the future. Power up your laces, charge the flux capacitor and fire up the hover board. Things are about to get... heavy. Starring Michael J Fox as Marty McFly, Christopher Lloyd as Doctor Emmet Brown, Mary Steenburgen as Clara Clayton, Lea Thompson as Jennifer and Thomas F. Wilson as Biff Tannen.