Back To The Future Part III

Fulfilling a long-time fantasy, Doc Brown has decided to live in the Old West of the 1880?s. But when hes in danger of meeting an untimely end, Marty travels back into the past to rescue him. Theres just one problem: Doc is so smitten by schoolteacher Clara Clayton that hes become a little...distracted. Now, its up to Marty to keep Doc out of trouble, and put the past, present and future on track so they can all get back to where ? and when? they belong!