Not all Colgate Comedy Hour episodes originated from New York. In fact, when it began, production originated from New York and was kine-scoped for West Coast broadcast. Beginning with the second season, production was divided between Hollywood and New York, with the majority of episodes originating from Southern California. The show started in New York and ended in L.A. The first Los Angeles-based episode of the show aired late in September 1951. All of the Los Angeles-based Colgate Comedy Hour episodes seem to have been filmed instead of aired live, as I have seen with a December 1952 Abbott and Costello-hosted episode. Fred Waring was the final host of the series, and on Christmas Day 1955. The first Colgate Comedy Hour to originate from outside New York or Los Angeles was from Philadelphia in 1951 not Las Vegas or Miami in 1954. No sooner did the show end did Los Angeles overtake Chicago as an important center for TV production, as it remains 50 years later.