Season 17 · Episode 127 of 245
Aired Apr 28, 2010
Robert Downey Jr., OK Go
Wed, Apr 28, 2010
·
57 min
0 of 245 watched this season
Actor Robert Downey Jr. (Iron Man 2); OK Go performs.
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Airs
Wed, Apr 28, 2010
57 min
Show
Late Show with David Letterman
4252 episodes
Episode
S17 · E127
in Late Show with David Letterman