After the "fat fat fatty" scene, Franz shoots his way in, starting with three bullets into the door lock. Over the next scene he fires about twelve shots, despite the fact he's firing an 8-shot Luger.
During "Springtime for Hitler," film director Mel Brooks can be heard saying "Don't be stupid, be a smarty! Come and join the Nazi party!" He later dubbed the same line in the 2005 version.