Watch Online Movies HD Fmovies. In sports history, there are moments that define the essence of competition. In boxing, it is a 1971 fight known as Ali-Frazier I. This documentary chronicles the events that led to what many call 'The Fight of the Century,' in which undefeated heavyweight champion Smokin' Joe Frazier went to war in Madison Square Garden against undefeated deposed champion Muhammad Ali.