Jackie Coogan (Lowball) was married to Don Stroud's (Billy Benton) mother Ann McCormack from 1946-1951.
Directed by John Astin and featuring Jackie Coogan in a supporting role (as Lowball); they both starred in The Addams Family (1964) as Gomez Addams and Uncle Fester, respectively.
At different points in the episode, the stadium where football is being played is San Francisco's Kezar Stadium, which last hosted NFL football in 1970, after the 49ers moved to Candlestick Park; and Pasadena's Rose Bowl.
After Mac and Sally drop Billy off at his place, the establishing shot of downtown traffic includes an illuminated sign featuring a cartoon girl in a black bikini. That sign is the marquee for the historic Condor strip club, at Broadway and Columbus in San Francisco.