This is a snippet from Breaking Walls Episode 97: Thanksgiving 1947—The Most Popular Season in Radio History
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On Thanksgiving Night 1947, Live from KFI Hollywood At 7:30 PM pacific time, The Eddie Cantor show signed on NBC. In storyline Cantor has been kidnapped by Gerald Mohr, and Harry Von Zell has taken over the show. Sara Berner guests as Hildegarde.
The show aired at 10:30 PM in the east opposite a Thanksgiving Day documentary on CBS and a drama on ABC. While Cantor was still a successful showman, his rating fell out of the Top 50 for the first time in his long career.