Jewish filmmakers like to poke fun at Nazis. Spielberg did that with Indiana Jones and Mel Brooks does it here with Spaceballs. But unlike the original Star Wars for which Spaceballs is almost direct parody, Brooks goes onto another level to measure pipis with the Nazis.
I don't think you think of Science Fiction often when thinking about Lars Von Trier. Yet, his 2011 masterpiece Melancholia is one of, if not the best, science fiction film(s) ever.