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Biff does his pushpin schtick live from the Grand Canyon, and Dave persuades him to yell "Hey, Mommy!" just to see if there's an echo. Also, Paul does a somewhat convincing James Brown impression, suffers a nervous breakdown onstage, and Dave comes by to bring him his cape.
First Air Date : Aug 30, 1993
Last Air date : May 20, 2015
Episode : 4252 Episode
Season : 22 Season
Runtime: 63 minutes
Studio: CBS
Country: United States of America
Crew: David Letterman (Writer)
