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Episode 2 - Danny DeVito, Larry David, Avril Lavigne
Air Date: Sep 5, 2007
Dave apologizes to Sue Hum for a pre-show accident; the show is interrupted by a performance of "Mark Twain Tonight!" starring Johnny Dark; Danny Devito plugs his new restaurant; Larry David (in his very first Late Show appearance) comments on Dave's hair; Avril Lavigne performs "When You're Gone."