Watch Late Show with David Letterman S10E113 (Season 10 Episode 113)

Watch Late Show with David Letterman S10E113

Colin Farrell, Rosanne Cash

""I have to be here tonight,"" Dave utters in the monologue, ""I'm out of sick days."" An ""Incredible Dog Challenge"" sponsored by Purina Dog Chow has been postponed by the weather, but that doesn't stop George Clarke from welding a metal garbage can.. You can watch Late Show with David Letterman S10E113 here.