The Aristocrats
Starring Jason Alexander, Hank Azaria, Lewis Black, George Carlin, Scott Thompson, Billy Connolly, Rob Schneider, Andy Dick, Carrie Fisher, Whoopi Goldberg
It's a documentary and comedy movie, and has a rating of 6.4 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Germany.