Late Show with David Letterman: On "Audience Show & Tell," Dave make his contribution to an audience member's collection of gum chewed by celebrities; "Will It Float?" sinks a tray of billiard balls; Bill Cosby does stand-up; Lou Reed capes; Toby Lightman sings.

Starring:

Alan Kalter, David Letterman, Paul Shaffer

Genre:

Comedy, Music, Talk-Show