- David Letterman (Self - Host)
- Paul Shaffer (Self - Musical Director)
- Alan Kalter (Self - Announcer)
Late Show with David Letterman — S9E141
Episode: Incredible Dog Challenge, Debra Messing, Wilco
Air Date: 2002-04-30
Overview
The Incredible Dog Challenge is finally held out on 53rd Street, and throughout the night three dogs compete through a series of hurdles and tubes.