The final appearance of Mary Jane Croft as Audrey Simmons. Croft would later have a recurring role as Mary Jane Lewis.
The final appearance of 'Carole Cook' as Thelma Green.
CBS originally broadcast this episode in black and white.
This is the final "Lucy" episode written by Madelyn Davis and Bob Carroll Jr., who had been writing for Lucille Ball since her radio show, "My Favorite Husband," in 1948. They wouldn't return to writing for Lucy until Lucy Meets the Burtons (1970) in 1970.