https://en.wikipedia.org/wiki/List_of_programs_broadcast_by_CBS
CBS Television Quiz: July 2, 1941: May 25, 1942: What's My Line? February 2, 1950: September 3, 1967: Beat the Clock: March 23, 1950: September 16, 1958: The game show moved to ABC and aired on that network from September 16, 1958 to January 27, 1961. I've Got a Secret: June 19, 1952: April 3, 1967: Bank on the Stars: June 20, 1953: August 8, 1953