This is one of the few times in season 6 where Lisa Kudrow is not wearing a wig or hairpiece. Producers thought her real-life hair was too short for the character of Phoebe.
In the 2 part split version of this episode: Part one features the usual variation of the standard version of the opening titles, with the "Fat Monica Dance" under the closing credits. Part 2 starts immediately with the specially re-shot "Alternate Reality" version of the Fountain Titles.
First appearance by Cole Sprouse as Ben Geller. This is the only appearance of Ben in season six.
The couch that's seen in Monica's apartment throughout this episode is the same couch that Ross purchased and attempted to move into his apartment during season 5 episode 15 "The one with the girl who hits Joey".
This episode is the only one with a cold open that doesn't end with a laugh track before the opening theme.