Both Nicholas Brendon and Ara Celi had to eat up to ten Twinkies each for each take of the scene in which they are eating lunch.
First appearances of Seth Green and Danny Strong in Buffy the Vampire Slayer (1997), although Danny Strong did have one line in Unaired Pilot (2002).
Before Buffy and her friends enter the museum, they are walking through a rose garden. In the background, the buildings used for exteriors of The Jeffersonian Institute on Bones (2005) can be seen.
David Boreanaz (Angel) does not appear. This marks the first and only time (until his departure from the show) that he is absent since joining the main cast.
This marks the first time Cordelia walks in public without embarrassment with the Scoobies without pretense or excuse to her old friends about why she's associating with Buffy and the gang.