Factual error: The cover of the plan for Unternehmen Hannibal is marked "SEHR GEHEIM." That phrasing does not exist in German. The correct term would be "streng geheim".

Hogan's Heroes (1965)
1 factual error in Operation Hannibal - chronological order
Starring: Bob Crane, John Banner, Robert Clary, Werner Klemperer
Hogan Gives a Birthday Party - S2-E1
Continuity mistake: The footage of the bomber's nomenclature Hogan and his men commandeer switches several times from during the takeoff, the bombing run, then the end of the bombing run - three different types of planes.
More quotes from Hogan's Heroes
Trivia: During WW2 Robert Clary, who played Louis LeBeau, had been imprisoned at Drancy internment camp in France, and at Buchenwald Nazi concentration camp where he was tattooed with the number "A5714." He was the youngest of 14 children. Twelve members of his immediate family were sent to Auschwitz, and perished.
Question: What exactly is the "cooler"?





Answer: It's a solitary cell. Steve McQueen, star of 'The Great Escape' is known as the 'Cooler King'.