Late Show with David Letterman S17E68 · Sigourney Weaver, Marv Albert, Julian Casablancas

Late Show with David Letterman

Season 17 · Episode 68 · Sigourney Weaver, Marv Albert, Julian Casablancas

Dave & Sigourney Weaver turn "Avatar" blue. Plus: Marv Albert's wild & wacky sports bloopers and Julian Casablancas performs.