Hogan mentions "red herring" and Marya objects because she is a "White Russian". In the 1917 Russian revolution the communist were the "Reds" and supporters of the Tzarist royalty were "Whites". After the Reds took over Russia there was a mass exodus of White Russians into Europe. There is some evidence that in the 1920s White Russians helped form the Nazi party and its ideology.
The title is a parody of the title of the series and was used in a Mad Magazine parody.
When wearing German uniforms LeBeau had on his sleeve one chevron pointed down with a diamond, the rank of a HauptGefreiter, or a Corporal with more than 6 years of service. Newkirk had two chevrons pointed down with a diamond, the rank of a StabsGefreiter, or Administrative Corporal.
The well that was used in a previous episode is quickly visible on one of early exterior shots.
Kinchloe appears in a German uniform on the train in this episode.