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Biff Ruins The Present Back To The Future Part II Science Fiction Station
Marty McFly (Michael J. Fox) travels back to 1985 only to find a nightmarish alternate reality where Biff (Thomas F. Wilson) is his Father.
Back To The Future Part II (1989): Marty McFly travels back in time with the help of Dr Emmett Brown and poses as his own son to prevent his imprisonment. However, all his efforts turn futile as the future changes the present.