No audience laughter is present in this episode.
Carter impersonates Herr Schmidt of the Gestapo.
The prisoners "play" a knitted sock in a fake sewing machine to decode a secret message from London.
There is an obvious sound edit as Newkirk praises his skill after cracking Klink's safe combination.
There is no audience laughter present in this episode.
A pack of Benson & Hedges 100's is superimposed over much of the closing credits, though it does not appear in the DVD version.
This was the third episode in a row (in production order) that Larry Hovis did not appear. He would appear in the next filmed episode "The Swing Shift" which CBS had already broadcast.
The entrance fee for the prisoners' proposed jitterbug contest is two cigarettes, and first prize is one pound of coffee.
Kurtz's nickname for Burkhalter is Hansie, although the latter's first name is Albert.
Klink's office uncharacteristically displays a Nazi flag in this episode. It is placed between his heater and closet.
Hogan impersonates Gestapo Major Hoganschmidt.
Carter impersonates Gestapo Corporal Schindler.
At the SS ammunition depot is a sign reading HOCHE SPRENGGEFAHR, which is supposed to mean "high risk of explosion". But the correct spelling should be HOHE instead of HOCHE, as the German adjective "hoch" is irregular.
Hogan impersonates Herr Bihler, president of a fictitious company (Bihler Brothers,) and Newkirk impersonates Fritz.
After berating Hogan throughout the episode, General Barton demands Hogan's attention in order to salute him. This is an extremely high honor: ranking officers nearly never begin the saluting ritual.
The Hogan's Heroes VHS collection's "Generally Speaking" recording incorrectly states that Sergeant Kinchloe impersonates Winston Churchill in this episode. In fact, Peter Newkirk (Richard Dawson) does the voice of "Old Winnie."
An advertisement for Clark Gum is superimposed over much of the closing credits.
While impersonating Hitler, Carter is wearing his hair combed to the right. Hitler who wore it combed to the left.
Hogan talks to Carter (portraying Hitler) while Burkhalter approaches, and Burkhalter overhears "Hitler" speaking English. Historically, this would be the end of the deception because Hitler did not speak a word of English.
Hogan impersonates a Luftwaffe Captain named "Hoganloffer."