The Adventures Of The Falcon: This hard boiled spy drama began as an RKO Radio Pictures theatrical serial in the 1940s, went on radio in 1943, and then came to TV around ten years later in a Syndicated series produced for distribution by NBC Films; the series was about an American agent whose code name was "Falcon".
The success of the films led to a radio series that premiered on the American Blue Network in April 1943, and aired for the next ten years on various networks. It was here that his transition into a private eye was finalized, with The Falcon, now called Michael Waring working as a hardboiled insurance investigator, with an office and a secretary, Nancy.
The Case Of The Disappearing Doll: After three guys rob an $80,000 payroll, they're double-crossed by their moll. Originally aired August 30th,1950.