From Caligari to Hitler
Von Caligari zu Hitler (original)
Film journalist and critic Rüdiger Suchsland examines German cinema from 1919, when the Republic of Weimar is born, to 1933, when the Nazis come into power. (Followed by Hitler's Hollywood, 2017.)
Starring Rüdiger Suchsland, Hans Henrik Wöhler, Volker Schlöndorff, Fatih Akın, Thomas Elsaesser, Eric D. Weitz, Elisabeth Bronfen, Fritz Lang, Ernst Lubitsch, Friedrich Ebert
It's a documentary and history movie, and has a rating of 7.3 out of 10 from Imdb which is usually fine for this kind of movie.
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