Charlie Sheen (Charlie Harper) and Chris O'Donnell (Bill) previously played lead roles in "The Three Musketeers (1993)", with Kiefer Sutherland.
When Charlie shows Alan a picture of Jill and Alan realizes it is Bill, Charlie says, "Welcome to the Matrix". In 2008 and 2016, the Wachowskis (directing duo behind "The Matrix") came out as transgender, 4 and 12 years after this episode aired.
When Bill (Chris O'Donnell) orders a beer, he first orders a wine, then a light beer, then says to give him a beer. The bartender ends up giving him a light beer.
Alan remarks that Bill (Chris O'Donnell) is half Evelyn's age. In real life, Holland Taylor's wife, Sarah Paulson, Is half her age.
Episode title spoken by Berta, to Charlie.