The role of Jerry is played by Paul Goebel, more commonly known as "The TV Geek" on the short lived Comedy Central show Beat The Geeks. He is the foremost expert on television history on both the technical and entertainment sides. It's rumored that he got to do the cameo after stumping someone on the set about I Love Lucy trivia.
Jack mentions that besides Halloween, the Tony Awards is the only other bearable day. Sean Hayes won a Tony Award in 2023 for "Good Night, Oscar."
The first appearance of Jack's impression of Cher.
In this Halloween episode, Will and Grace plan to spend the evening watching Ingmar Bergman films. Although they don't mention the films by name, they clearly reference The Seventh Seal (1957) and Cries & Whispers (1972).