Colonel Klink's Secret Weapon - S2-E28
Continuity mistake: When Franks turns in his report to be signed, Klink said "Kommandant's efficiency reports are six weeks behind." When he talks to Hogan later to get rid of Franks, he said the reports were six months behind.
Colonel Klink's Secret Weapon - S2-E28
Continuity mistake: During the inspector general's visit, Le Beau and Newark fall out with switched hats (i.e. Newark is wearing Le Beau's red hat and vice versa). In the next shot when in formation, they are wearing their own hats. (00:21:00 - 00:22:00)
Answer: It's a comedy, not a documentary.
stiiggy
Perhaps it was counterfeit. There are numerous episodes where they deal in counterfeit monies.