Phoebe demonstrates her waitressing skills with the phrase "Adam & Eve on a raft and wreck 'em!" In diner lingo that means two scrambled eggs on toast.
The set for Richard's office is the same set they used for Barry's orthodontist office in the first season the only difference is an ophthalmology chair instead of a dental chair.
Monica states her age as 27 in this episode. Richard later states that he's 21 years older than her, making him 48.
At the museum, when Ross lights up stars for Rachel, the song "Wicked Game" by Chris Isaak is playing. Isaak previously played Rob Donnen in The One After the Superbowl: Part 1 (1996).