Commander Kreiner tells Private Fleiss about him and his wife watching Walt Disney's Saludos Amigos (1942). As the United States was already at war with Germany when this was released and the film was considered enemy propaganda, this is very unlikely. In fact, the movie was not distributed in Germany until after the war. Even considering that Kreiner had seen the movie somehow, it is odd for a commander to openly admit that to a subordinate who, on top of that, has just shown to be fervent Nazi himself.
In most scenes where visible. Electrical outlets look like, or similar to- outlets commonly found in a 1930/40's Norwegian home, but in some scenes throughout the film. Brand new, modern day outlets are also seen.