Fall TV 2011 Returning Shows: What to expect

Premieres: Tuesday, Sept. 20 at 8 p.m.

Expect to see: This time around the contestants will be grouped by age, plus the show is welcoming new trainers Anna Kournikova and Dolvett Quince.

Andrea Reiher, Zap2it

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All of Zap2it's 'Biggest Loser' coverage