NBC renews trio of reality skeins

TV News: 'Loser,' 'Sing-Off,' 'Think' to return in 2011-12 -- NBC is showing love for its alternative series: "The Biggest Loser," "Who Do You Think You Are" and "The Sing-Off" have all been picked up through the 2011-12 season.

Source: http://www.variety.com/article/VR1118032689?categoryid=4076&cs=1&cmpid=RSS|News|LatestNews

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