Trivia: Field Marshall Richter's car is a Rolls Royce. It can be determined first from the radiator. It has the base for the famous flying lady, but she is missing. Second, there is a rectangle on the face of the radiator that appeared to have once had the Rolls Royce logo plaque. Also, the body style and the small trunk with the small top-mounted access panel are suggestive of the Rolls Royce.
The Kommandant Dies at Dawn - S5-E6
Trivia: This is not really a plot hole but more of a plot device: The episode revolves around using the unsuspecting Klink as a courier by hiding secret information in his belt. This episode however is the only time in the series Klink wears a belt on his coat. In all other episodes, he doesn't wear one.
Trivia: In the gym, Carter isn't wearing his gloves. Therefore, the wedding ring that Larry Hovis wore in real life was visible. He wore the gloves because he steadfastly refused to remove it.
Trivia: The bridge the boys wire up for explosion is the same one seen in S5: Ep1 "Hogan Goes Hollywood"
Trivia: Werner Klemperer (Kommandant Wilhelm Klink) was born in 1920. So here when he says to Carter, "I am 49", he's declaring his real age.
Trivia: The idea was for the series was to always be winter, so that the episodes could be shown in any order, hence the reason there is always snow on the roofs and ground, and frost on the windows. In fact, the filming was mainly done in summer, with temperatures in the 90s, and the actors had to wear their coats, and act as if it were cold.
Answer: It's a solitary cell. Steve McQueen, star of 'The Great Escape' is known as the 'Cooler King'.