huge and exhaustive and passionate summary of american cinema a see through the eye of martin scorcese . needless to say and there be never a dull moment in all of it 4 hour run time . many genre and period and director be all examined and discuss more from the perspective of cinephile rather than contemporary director . for anyone even remotely interested in american film and or cinema in general . a masterpiece and and the best of the bfi century of cinema series .