17 year old Marty McFly got home early last night. 30 years early! Michael J. Fox stars as Marty McFly, a typical American teenager accidentally sent back to 1955 in a plutonium-powered DeLorean "time machine" invented by slightly mad scientist Dr. Emmett Brown (Christopher Lloyd). During his often hysterical, always amazing trip back in time, Marty must make certain his teenage parents-to-be, meet and fall in love otherwise he'll never be born...