1983 David Letterman Stupid Human Tricks
8:31
Stupid Human Tricks on Letterman September 4, 1984
5:35
Randall Richman Master Magician: Johnny Carson Appearance
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Stupid Pet Tricks
8:14
David Letterman Daniel Tammet Mathematics Genius Prodigy | Free slideshow @ www.j.mp/BharatanMaths
10:57
David Letterman Kid Scientist Volume 6 2009
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
6:54