Maris and Niles (David Hyde Pierce) had two Doberman watch dogs called Gerhardt and Gestalt, a reference to Gerhard Stemberger's Diagnostics in Gestalt Theoretical Psychotherapy, which provides insight into the concept and process of Gestalt theoretical psychotherapy.
This episode aired on the same date as the series finale, seven years later. The only other episodes to hold this distinction were Visions of Daphne (1999), which aired two years later on the same date, and Season 10's Analyzed Kiss (2003), which aired four years later on the same date.