Carter's confusion of the terms "easy as pie" and "piece of cake" was later used in 2010 by cosmonaut Maxim Brajlovsky (Elya Baskin).
Hogan says they have a mouse that lives at Stalag 13, but eats at Stalag 4.
In Klink's Old Flame (1969), Klink was going to send LeBeau to Stalag 4. Count Rudolf Von Heffernick (Ben Wright) ridicules Klink for the camp is in Paris, France.
In Klink's Old Flame (1969), Klink was going to send LeBeau to Stalag 4. Count Rudolf Von Heffernick (Ben Wright) ridicules Klink for the camp is in Paris, France.
Major Hochstetter has General Burkhalter's office bugged; the listening device is in the visitor's chair (the one that Klink sat on).
STALAG 4, STALAG 9, STALAG 11, and STALAG 14 are mentioned as being nearby to STALAG 13.