For this late-1940s radio series, Basil Rathbone & Nigel Bruce recreated the successful characterizations of Holmes & Watson that they had played in the popular Holmes films of the 1930s & 40s.

The Shadow debuted on radio on September 26, 1937, on the Mutual Broadcasting System, with the then-unknown Orson Welles as The Shadow. Even after decades, the unmistakable introduction from The Shadow, intoned by announcer Frank Readick, has earned a place in the American idiom: "Who knows what evil lurks in the hearts of men? The Shadow knows!"

Inner Sanctum Mysteries told stories of ghosts, murderers and lunatics - all brought to life through superb actors, writers, & audio effects. Perhaps one of the most famous sounds in radio history, the creaking door opened every week to let listeners into the sanctum. The host was a slightly-sinister sounding man originally known as "Raymond," who had a droll sense of humor and an appetite for ghoulish puns.