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Late Show with David Letterman: Season 9, Episode 169 - Matt Damon, Marc Maron (2002)
Released: June 14, 2002
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.
