Documentary film takes a behind the scenes look at big Hollywood blockbusters, their development, production and their recipe for success. Zeitgeist films, such as "American Graffiti," the epic genre-films, such as "Birth of a Nation," and films made from a best-selling book, such as "The Godfather," will be examined. Celebrities, filmmakers and executives weigh in on the creative rewards of making films as well as overcoming failures in the business.