7:03

Stupid Pet Tricks on Letterman, February 19, 1987

10:18

1988 - Stupid Human Tricks (Dave Does One)

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Stupid Pet Tricks on Letterman, March 29, 1984

6:55

Stupid Pet Tricks.. One Real Smart Dog and One That Tries Hard:)

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Bonnie Jacobson and Ginger: Stupid Pet Tricks, Late Night with David Letterman 12/3/1982

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Stupid Pet Tricks: Dog Plays Dead | Letterman

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Stupid Human Tricks on Letterman September 4, 1984

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The First Stupid Human Tricks On "Late Night" | Letterman