Late Show with David Letterman - Season 11 Episode 121 Chris Rock, The Upside Down Act
Biff makes his annual trip to Spring Training, where he for the second year in a row, he and Hideki Matsui perform Abbott & Costello's "Who's on First?" routine; Jerry turns Dave upside down to preview Kai Leclerc's gravity-defying juggling act; "Dwight the Troubled Teen" makes another visit to Alan's booth.
- Genre: Talk, Comedy
- Studio: CBS
- Keyword: late-night show
- Cast: David Letterman, Paul Shaffer, Alan Kalter
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