Inner Sanctum, also known as Inner Sanctum Mystery, was a popular radio program that aired from 1941 to 1952. The stories had a good mix of horror and good humor. This is the show that established the creaking door as a scary sound effect. There were over 500 episodes broadcast, but only around 200 are known to still exist.

“The Vengeful Corpse,” aired on September 12, 1949.