Late Show with David Letterman: Dave announces that any cell phones that go off during the taping will be smashed with a hammer; "Dr. Phil" (Gerard) tells Dave that he's deeply insane; Megan Mullally sings the old Tom Waits tune "Take It With Me"; Rich Hall comments on "Hollywood's Nicest Couple."

Starring:

Alan Kalter, David Letterman, Paul Shaffer

Genre:

Comedy, Music, Talk-Show