 A show feature called "Wildest Dreams" fulfilled the dreams of people reported to Winfrey by the producers – mostly viewers who wrote into the show – be the dreams of a new house, an encounter with a favorite performer, or a guest role on a popular TV show.It was named after the Tina Turner song "In Your Wildest Dreams," and Turner was one of the celebrities featured on the segment.Mehmet Oz, the head of cardiac surgery at Columbia Presbyterian Medical Center in NYC and better known to millions of Winfrey's viewers as "Dr. Oz", regularly appeared on Tuesdays during the 2008–2009 season.