Jack Paar Show - Comedy - Variety
June 1, 1947 to September 28, 1947 NBC Extant Shows: 13
The early shows were as a summer replacement for Jack Benny, when it moved to ABC ran into trouble between Paar and consultants who asked for more changes to the format and Paar refused and made the show "very short lived".
Source: Dunning - On the Air Hickerson - History of Network Radio Programming.