Watch A Film Unfinished Trailer. Yael Hersonski’s powerful documentary achieves a remarkable feat through its penetrating look at another film-the now-infamous Nazi-produced film about the Warsaw Ghetto. Discovered after the war, the unfinished work, with no soundtrack, quickly became a resource for historians seeking an authentic record, despite its elaborate propagandistic construction. Watch A Film Unfinished in 480p or 720p streaming online. Break.com delivers official movie trailers previews, teasers and clips in HD for all the hottest coming soon & theatrical releases including the Documentary A Film Unfinished.