The first episode where Daphne's wardrobe attempts to conceal Jane Leeve's pregnancy.
Moose the dog has permanently retired, all episodes from now on is his son Enzo playing Eddie.
Daphne (Jane Leeves) is in her early stages of pregnancy. Under the Hawaiian shirt you can see her bump.
In the opening close-up of Daphne breaking the bad news to Donnie her prominent lisp becomes apparent, which throughout the series was normally difficult, if not impossible to hear.
The name of the fancy French restaurant that Niles make reservations at, Au Pied du Cochon, translates to "At the Pig's Foot".