Lucy refers to President John F. Kennedy's fitness program. President Kennedy was assassinated 4 days after this show aired on 18 November 1963.
The first 22 minutes were filmed before Lucy's summer hiatus. The last scene showing the Carmichael's new look home was filmed after production resumed in September.
The car in Lucy's and Viv's garage is a 1954 Ford.
CBS originally broadcast this episode in black and white.