One of the big programming surprises of the 2002 summer TV series was a show on the Fox Network called American Idol, a talent search that highlighted several aspiring performers. The final episode of the show garnered the biggest audience share among 18-to 49-year olds that the network has ever had. Based on a British series called Pop Idol, American Idol is another in along list of show that the United States has imported. In fact, many popular U.S. TV show originated overseas. These include the quiz shows Who Wants to Be A Millionaire and The Weakest Link, both also from Britain. Other examples inclued Survivor, imported from Sweden; Big Brother, based on a Dutch series of the same name; and TLC's Trading Spaces, based on the British series, Changing Rooms.