Stupid Pet Tricks on Letterman, March 29, 1984
8:50
Stupid Pet Tricks on Letterman, September 24, 1985
10:35
Stupid Pet Tricks, 3/9/1995. The Late Show With David Letterman.
57:49
Dumb American Fails | Try Not To Laugh 🇺🇸
10:13
Kid Scientists David Letterman 5/14/09 Part 2
9:12
Stupid Human Tricks on Letterman, May 26, 1986
6:56
Fan Request: The Amazing Regurgitator Swallows Light Bulbs And More | Letterman
9:04
Stupid Pet Tricks
11:14