Lucille Ball's singing is dubbed by Carole Cook.
A copy of this episode survives in the UCLA Film and Television Archives
The same evening this program was broadcast, CBS aired "Lucy, the Shopping Expert" (S1;E20). Lawrence Welk, who guest-stars here, was mentioned on that show. Jack Benny was also mentioned, comparing him with Diamond Jim Brady, a comparison that was also made on "The Lucy Show."
Ann-Margaret was a guest on "The Jack Benny Program" on April 2, 1961. In December 1968, Jack Benny guest starred on "The Ann-Margret Show."
The program celebrated Jack Benny's 75th birthday, although one of his longest-standing comedy bits was that he was perpetually 39.