On July 16, 1963, Four Star and the United States Department of Health, Education and Welfare signed a new agreement regarding The Robert Taylor Show.
The very next day, John H. Breck Inc. was signed up as ninth advertiser of The Robert Taylor Show. Meanwhile, Four Star commenced an upcoming sitcom pilot that was in development by NBC for the 1964-65 season, tentatively titled The Bill Cosby Show which is set to star Bill Cosby and Wally Cox and produced by Robert Taylor's producers Bruce Geller and Bernard L. Kowalski and the sitcom will be filmed in September and will be completed in December in black and white.
The Robert Taylor Show however finally made onto air on September 19, 1963, before Dr. Kildare, Hazel and the new Kraft Suspense Theatre. On the October of 1963, NBC however commenced more scripts of Harry's Girls, bringing up to a total of 26 episodes. NBC however announced plans to renew The Robert Taylor Show for the 1964-65 season, but it was ultimately passed and it was cancelled instead.
Fully ITTL, IOTL, Harry's Girls lasted a short run before being replaced by That Was The Week That Was in 1964, The Robert Taylor Show was cancelled on July 17, 1963 and it was replaced by Temple Houston, and The Bill Cosby Show was actually made in 1969 instead of 1964, but without the involvement of Four Star, Geller, Kowalski and Wally Cox, and it will be in color with Procter & Gamble as sponsor, as Bill Cosby go on to Sheldon Leonard's I Spy in 1965, as well as Geller and Kowalski moving over to Rawhide.