- David Letterman (Self - Host)
- Paul Shaffer (Self -Musical Director)
- Alan Kalter (Self - Announcer (voice))
Episode: Dolly Parton/William Petersen
Air Date: 2001-01-30
Throughout the night, various celebrities (such as Regis and Dave) endorse a "Hacking Cough of the Night." Also, Biff introduces his report from Super Bowl XXXV in Tampa, where he interrogates N'Sync and Steven Tyler of Aerosmith.