Episode 2136

Perry Mason is a radio crime serial based on the novels of Erle Stanley Gardner. Broadcast weekdays on CBS Radio from 1943 to 1955, the series was adapted into The Edge of Night which ran on television for an additional 30 years.

Wikipedia. CC BY-SA 4.0. Updated Feb 1, 2026.

“Episode 2136.” Perry Mason. Radio broadcast, November 20, 1951.