A: Real salt. Initially, the crew blanketed the Stalag 13 set with actual salt. It looked great on camera but was highly corrosive, eating away at the wooden structures and forcing them to switch to white paint.
Hogan’s Heroes is a classic 1960s television sitcom that follows the covert adventures of a resourceful crew of Allied prisoners who secretly operate an espionage and sabotage ring inside a German prisoner-of-war (POW) camp during World War II.
Years Active: 1965–1971 (6 seasons, 168 episodes)
Creators: Bernard Fein and Albert S. Ruddy
Main Cast: Bob Crane (Col. Robert E. Hogan), Werner Klemperer (Col. Wilhelm Klink), John Banner (Sgt. Hans Schultz), Robert Clary (Cpl. Louis LeBeau), Richard Dawson (Cpl. Peter Newkirk), Ivan Dixon (Sgt. James Kinchloe), and Larry Hovis (Sgt. Andrew Carter).
The Magic Disappearing Studio Soundstage Blooper: In “Information Please,” an exterior scene where the prisoners are repairing the camp’s barbed wire fencing features a massive studio warehouse building clearly looming in the top portion of the frame for nearly two minutes.