Late Show with David Letterman S6E153 · Bill Cosby, Jon Favreau

Late Show with David Letterman

Season 6 · Episode 153 · Bill Cosby, Jon Favreau

With tonight's audience being from the City of Brotherly Love, Biff heads to Philly to get in training a la Rocky. For his efforts, he is given a medal by Philadelphia Mayor Edward Rendell and Sylvester Stallone's brother Frank.