Late Show with David Letterman S10 E99 John McEnroe, Tom Arnold, Eric Ripert, Todd Barry, Jason Mras

Tennis great John McEnroe fills in for Dave, whose condition has not improved; Fred Schnieder of The B-52's fills in for Paul, whom, according to Bones Malone, has an appointment with Dr. Phil; John and Tom Arnold help Eric Ripert make Black Pepper and Cognac Shrimp.