Paying tribute to a beloved national icon for her birthday, NBC celebrates Carol Burnett’s illustrious career with a star-studded event featuring an A-list lineup of musical performances and special guests…

This special contains Kathy Griffin’s performance at the Riverside Theater in Milwaukee, WI on February 19, 2011.

Lewis Black goes on tirade after tirade about stupidity in America. He covers everything from corporate greed and Martha Stewart to WMDs and homeland security.

Wanda Sykes talks relationships, politics and strip clubs in her second stand-up special.