The Rise and Fall of Sergeant Schultz - S2-E6
Factual error: General Kamler awards Schultz what he calls "The Iron Cross Fourth Grade." There never was a version of the Iron cross called that. The Iron cross came in two ranks, called 2nd class ("zweiter Klasse") and 1st class ("erster Klasse"). The ranks higher than that were called the Knight's Cross ("Ritterkreuz des Eisernen Kreuzes") and were never pinned to the chest but worn around the neck.
The Rise and Fall of Sergeant Schultz - S2-E6
Continuity mistake: After Klink and Schultz chat, Klink offers him a cigar. When holding the box open, Klink's hands shift positions a couple of times.
The Rise and Fall of Sergeant Schultz - S2-E6
Continuity mistake: General Kammler tells Klink to straighten his cap. After he does so, the camera cuts to Kammler, then back. Klink's cap is again at the familiar tilt.
Answer: It's a solitary cell. Steve McQueen, star of 'The Great Escape' is known as the 'Cooler King'.