The Great Gildersleeve started on NBC. It was a spin-off of Fibber McGee and Molly.
The Great Gildersleeve was one of the earliest spin-off programs in the history of radio broadcasting. The show featured Throckmorton Philharmonic Gildersleeve, the lead character of the radio sitcom
Fibber McGee and Molly. This popular character was portrayed by American actor Harold Peary, who also starred in the film adaption of the sitcom.
Enjoy this debut broadcast from the Old Time Radio Collection of Great Gildersleeve: