Late Show with David Letterman

Season 15, Episode 147

Episode Title: Ricky Gervais, John Mellencamp

Air Date: 2008-07-17

Overview:

Following "Top Ten Signs It's Time To Wash Your Monkey," Lyle the Intern unsuccessfully tries to persuade Dave into opening a Pizza Hut franchise. Also, John Mellencamp performed "Troubled Land" and reminisces about living in Indiana with Dave