Schultz wears white gloves and a light-colored braid on his right shoulder in this episode.
After the German bomb blows up hundreds of feet from the front gate, Baker states that the tunnel is caved in from the radio room to the exit. We know from previous episodes that the tunnel exit is just above the radio room and nowhere near the bomb site.
In the final season, Ivan Dixon does not appear as Sergeant Kinchloe, but another radio man (Kenneth Washington as Sergeant Baker) is used. The producers of the show made no mention of Dixon's departure, nor Washington's entrance. Still no one ever escaped from Stalag 13.
Hogan tricks the Germans into believing that LeBeau was a famous dance instructor, when previously the con was that LeBeau was "Yvette of Paris," a famous fashion designer.
Carter impersonates Corporal Hans Wagner of the Luftwaffe.
Carter appears ungloved in this episode, and his real-life wedding ring is visible. Carter generally wore gloves as Larry Hovis refused to remove his wedding band during filming although his character was unmarried.
LeBeau trips an air raid siren labeled "Luftangriff."
Schultz models a wedding dress.
Carter hides in a closet in Klink's outer office, where he is able to look through the eyes of a painting in Klink's inner office and spy on visiting officers.
Hogan draws a strategy map with chalk on the door of a German transport truck.
The fitness scenes include a poster of Grindelwald, Switzerland that is mounted behind the door.
In this episode, it is revealed that Klink's favorite cake is apple crumble and his favorite ice-cream is pistachio.
Two bars of Dove soap appear over the closing credits.
After Hogan and Lebeau settled their "bet", Schultz was given american money.
Mari Oliver's limited acting credits are four total appearances, in three different sitcoms, all in 1969.
While Kinchloe is spying on the Germans from below the false chimney, smoke oozes from the chimney anyway.
The combination to Klink's safe is 9-41-58-7.
1. Somebody suggesting a ridiculous plan.
2. Sergeant Schultz giving good news and bad news.
The closing credits are overlaid with a Wisk advertisement. A bottle of the product is shown in the lower left corner of the screen.
As an addendum to this episode, an in-character skit is shown to reveal CBS' new time slot for the series. A caption over the extra scene reads "STARTING SEPTEMBER 20th / 6:30 CENTRAL TIME"