Phil Harris and Dennis Day rode the popularity of Jack Benny on their own programs on NBC. In fact, for the first two years of its run, Harris' show immediately followed Benny's.
Broadcast History: 10 October 1949 to 10 October 1951, and 7 January 1952 to 22 December 1952
Crime Does Not Pay was very much like the radio show Gangbusters in that they both featured criminals who were apprehended and every episode ended with a message about the immorality of breaking the law.
Dragnet 55-09-20 (318) The Big Close
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FM571229 - The McGees Go Bowling
WC45xxxx - [46] The Queer Client [024]