Late Show with David Letterman: Like he does every Kentucky Derby weekend, Dave calls up Dave Johnson to hear him say "...and down the stretch they come!"; Christina Applegate promotes the musical "Sweet Charity" and discusses a recent injury onstage; Brian Regan performs a stand-up routine about cholesterol and heartburn.

Starring:

Alan Kalter, David Letterman, Paul Shaffer

Genre:

Comedy, Music, Talk-Show