"Lydia the Tattooed Lady", sung during this episode, is a signature song for Groucho Marx, who performed it in the Marx Brothers movie At the Circus (1939), and throughout his career. There are a number of Groucho quotes in the episode, including "the most ridiculous thing" quip by Barrie Youngfellow (Jan).
Customer Lyle allegedly ate here weekly for seven years, but goes unremembered by the restaurant staff. His memorial attendees bring him here in his urn, to celebrate a last meal.