Kid Inventors on Letterman, February 20, 1991
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Kid Inventors on Letterman, August 12, 1988
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New Halloween Costumes on Letterman, October 29, 1986
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David Letterman: Dave is bothering everybody at McDonalds
7:42
Kid Inventors
8:14
David Letterman Daniel Tammet Mathematics Genius Prodigy | Free slideshow @ www.j.mp/BharatanMaths
4:53
Little Big Shots Meet Micro Mayor James Episode Highlight( Engsub)
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Kid Scientists David Letterman 5/14/09 Part 1
5:12