Daphne's brother Simon (Anthony LaPaglia) makes several references to Daphne being pregnant, which she denies. In reality, Jane Leeves was indeed pregnant.
As of 2011, a bottle of 1945 Chateau Petrus could run you about $11,000 USD and often goes for even more at auction. Year after year, it consistently makes the "Top Ten" lists of most searched and sought after wines according to popular wine connoisseur and aficionado websites, groups, clubs, and publications.
The episode won an Emmy Award for Outstanding Multi-Camera Picture Editing for a Series.
Part one of this two-part season finale takes place entirely inside Elliot Bay Towers.
This two-parter did not feature any comedic moments during the closing credits. Instead it simply showed Frasier Crane's darkened apartment without any cast members being present.