The Hidden Führer: Debating the Enigma of Hitler's Sexuality
Starring Adolf Hitler, Eva Braun, Rochus Misch, Magnus Hirschfeld, Rudolf Heß, Jonathan Petropoulos, Albert Speer, Arno Breker, Ernst Röhm, Joseph Goebbels
It's a documentary movie, and has a rating of 7.1 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Belgium.