This episode marks the first appearance of Beverley Leslie in the series.
The voice of Uncle Jerry is director, James Burrows.
As with most TV and film productions involving cars, the rearview mirror has been removed. Also typical for front view/interior shots, the windshield is removed, as it is here. The reason of course is to prevent light glare and reflection of crew and equipment. Depending on the shot, producers also matte the paint and the side mirror chrome for the same reason.
Grace questions the nun on why she needs a car. She thought nuns could fly. The Flying Nun was a TV show starring Sally Field. Shelley Morrison (Rosario) was in the show as Sister Sixto.
Movie titles spoken by Jack: "Girl, Interrupted", "Roots", "Waiting to Exhale".