Back to the Future Part II
Michael J. Fox, Christopher Lloyd, Lea Thompson, Thomas F. Wilson, Elisabeth Shue, James Tolkan, Jeffrey Weissman, Casey Siemaszko, Billy Zane, J.J. Cohen
7,8 from IMDB
Marty McFly has only just gotten back from the past, when he is once again picked up by Dr. Emmett Brown and sent through time to the future. Martys job in the future is to pose as his own son to prevent him from being thrown in prison. Unfortunately, things get worse when the future changes the present.