Dave announces that instead of "whatever," from now on he will be saying "wherever"; during a segment called "While We Were Out," the male staff members commemorate a minor design change on the stage by sitting in Dave's chair buck naked; Will Ferrell makes a threating message in song to Barbra Streisand.
Dave points out that Tony Mendez is mentioned in this week's "Talk of the Town" column in The New Yorker. Later, Jude Brennan makes her last appearance as the bitchy "Mrs. Letterman."
Mayor Guiliani interrupts Dave's monologue; Sarah Jessica Parker promotes "Sex & the City."
In the first show following the terrorist destruction of the World Trade Center, Dave welcomes CBS anchorman Dan Rather and Regis Philbin.
Dave welcomes national hero Rudy Guiliani to the show for the first time since the WTC disaster.
During "What's the Deal With Old Guys and Enormous Glasses?" Dave wears a 70's-era pair of specs; John Cusack promotes Serendipity.
Paul composes a song about people that look like Burt Reynolds; Owen Wilson plugs Zoolander.
Alan gives dating tips; Joshua Jackson promotes the upcoming season premiere of "Dawson's Creek;" Emo Philips does a stand-up routine on Dave's show for the first time since 1989.