2006 - Dave with Kid Scientists
7:58
Stupid Pet Tricks on Letterman, August 10, 1982
25:45
The Lifestyle of David Letterman ★ Hobbies, Houses, Dementia, Cars, Huge Net Worth
10:57
David Letterman Kid Scientist Volume 6 2009
7:42
Kid Inventors
10:19
Don't Try This At Home! Dave Welcomes Kid Scientists | Letterman
9:26
New Halloween Costumes on Letterman, October 29, 1986
16:11
Drew Barrymore's Classic First Appearance | Carson Tonight Show
40:10