Late Show with David Letterman
Bill Cosby, Toby Lightman
E101 Feb 27, 2004 TV-PG
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.
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