Stupid Pet Tricks on Letterman, February 19, 1987
8:50
Stupid Pet Tricks on Letterman, September 24, 1985
9:19
Stupid Pet Tricks on Letterman, March 29, 1984
9:12
Stupid Human Tricks on Letterman, May 26, 1986
7:49
Kid Inventors on Letterman, August 12, 1988
9:52
Stupid Pet Tricks: The Beer-Buying Dog, A Stupid Cockroach Trick And More | Letterman
11:14
Stupid Human Tricks 9/25/2012, The Late Show w/David Letterman
13:52
First Stupid Pet Tricks on The David Letterman Show, June 26, 1980
10:52