A Californian teenager becomes the innocent victim of a local crack-pot's invention - a time machine made from a DeLorean car. He finds himself in his home town thirty years back where he is in for some embarrassingly funny surprises. 'Back To The Future - Part 2' in which a visit by Marty and the Doc to the year 2015 seems to resolve a few problems with the future McFly family. When they return home, they discover someone has tampered with time and Hill Valley, 1985. They must once again get back to 1955 to save the future... and 'Back To The Future - Part 3' in which stranded in 1955, Marty must now travel to 1855 to rescue Doc Brown. Surviving Indian attacks and unfriendly townsfolk it's up to Marty to grab the love-struck Doc, leave the Wild West and get back to the future.