Late Show with David Letterman Season 13 Episode 190
Jessica Biel, Christina Aguilera
Throughout the night, a guy named Bob Zick stands over by the staircase and laughs at everything Dave says; Samuel L. Jackson stars in the much-hyped sequel "Snakes in a Deli"; elderly sock puppet expert Jack Fisette has a demonstration with Dave; Fatboy Slim performed "That Old Pail of Jeans."