Desc: Firefly: The Definitive History: Directed by Brian Montgomery. With Shane Montgomery. This is the Definitive History of Firefly. This documentary is one of a kind. The firefly story has never been told from beginning to end. Prepare to learn things you never knew about one of the greatest science fiction franchises of all time. We explain the short life of this amazing sci-fi epic western. Firefly was lucky to be born at all but the reason it was canceled and the movie sabotaged was because extreme incompetence and a very stubborn director.