Late Show with David Letterman

Season 8, Episode 98

Episode Title: Stupid Pet Tricks, Tom Cavanagh

Air Date: 2001-02-13

Overview:

It's milestone in the long and celebrated history of "Stupid Pet Tricks" as Regis the duck eats cottage cheese out of owner Rebecca Kraft's mouth. The sight of the stunt is so repulsive that Dave shows the clip repeatedly for several weeks to come.