Late Show with David Letterman Season 12 Episode 14

Ray Romano, Avril Lavigne

S12 E14 Aired Sep 9, 2004

Biff spends the day at New York-Presbyterian Hospital with Dr. Lou Arrone; an educational segment with Alan and an animated rodent goes awry; Ray Romano talks about the final season of ""Everybody Loves Raymond;"" Avril Lavigne performs ""My Happy Ending.""

Season 12