This is the final appearance of Cynthia Lynn as Fraulein Helga, as she would be replaced for the next five seasons.
A pack of Parliament cigarettes is superimposed over much of the closing credits.
Schultz first gives the Gestapo man his serial number as 23789, and again later as 23781.
A shortwave radio set appears in Klink's office for this episode and is rarely seen again.
This marks the final appearance of Cynthia Lynn as Fraulein Helga as she would be replaced for the final five seasons.
Update: Actually Cynthia Lynn wasn't really featured in this episode. You caught a quick glimps of her back when Gen Burkhalter walks into Klinks office. This is evident by virtue of the blue shirt she wore most of the time. Her final episode was Season 1 Episode 32.
A rare use of impossible sound effects is displayed in this episode: As Hogan leaves Klink's office and fingers the arrow in the door, an external "boing" sound is used to accentuate the action.
A pack of Philip Morris cigarettes is superimposed over much of the closing credits.
This episode shows a very rare glimpse of Sergeant Carter's left hand ungloved while he eats in the barracks. Larry Hovis nearly always wore gloves because his character was unmarried, although he refused to remove his real-life wedding ring during filming.
One of the background prisoners (no name or ever credited) - seen at roll calls, in the barracks and most prominently in Episode 15 shaving - is pressed into service as the guard by Klink's door.
Carter's ungloved hands are seen in an early scene, revealing Larry Hovis' real-life wedding ring. The actor commonly wore gloves as he refused to remove the band during filming.
Newkirk draws an uncommonly good caraciture of Carter during one of Schultz's barracks inspections.
Art imitates life in this episode: Adolf Hitler actually was a student of ESP and occultist studies. He was also a student of astrology which will be mentioned in later episodes.
Goof: Hogan's use of the phrase "...and he's bigger than a breadbox!" is an anachronism as the phrase 'bigger than a breadbox' was coined by Steve Allen for the gameshow What's My Line?, which begain in 1950, 6 years after the end of World War II.
General Tillman reveals that Hogan's team is classified in the military as "Unsung Heroes."
Goof: The title of this episode is improperly displayed as "How to Cook a German Goose With Radar" on its VHS Collection introductory screen.
Goof: Newkirk brandishes a knife and this is not seen as a serious security threat, even by Klink.
When Carter and Newkirk come down the tunnel ladder after encountering the doubled guards outside, Newkirk bumps into a vertical post with an oil lamp attached. Look closely and the post can be seen to move.
In this episode, Hogan enters Klink's office whistling the show's theme.
Carter's ungloved hand is seen in a this episode. Larry Hovis refused to remove his wedding ring during filming, and it is visible in an early scene. Carter was not married.
The major gestures by pointing to the rear of the vehicle, i.e. the opposite direction the vehicle is heading, as he says Switzerland is where he wants to go. The major knows he wants to defect to Switzerland and is confident he will find his way regardless how far away he is currently from his ultimate destination.