The taping of back-to-back Oprah Winfrey Show specials from Chicago's United Center last week (ends20May11) were the 4,559th and 4,560th shows. The Surprise Oprah: A Farewell Spectacular programmes will air on Monday (23May11) and Tuesday (24May11) in America. Winfrey's 4,561st show on Wednesday (25May11) will be the TV titan's last.