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'Biggest Loser' returns with kid contestants, two-night season premiere

After a longer-than-usual break between seasons, the return of NBC's weight-loss showdown, "The Biggest Loser," is now just weeks away. But season 14 of the show won't be the same old battle of the bulge.

As previously announced, when the show returns, former "Loser" trainer Jillian Michaels will be back on board to help Bob Harper and Dolvett Quince get the contestants into shape. The contestants, however, will be very different.

In addition to the usual assortment of grownups looking for a way to change their lives, this time, three teens -- ages 13 to 16 --will join the game. But unlike the adults, the teens won't participate in weigh-ins and they won't be subjected to elimination. Instead, they'll tackle childhood obesity by helping themselves and inspiring others.

Dr. Joanna Dolgoff, a pediatrician who specializes in childhood obesity, will also join the reality competition to help the kids follow a program that best suits them.

As for the grownups, they'll still have to face the scale and team votes to stay in the game.

Get a glimpse of what's to come in the clip below, and to see more, tune in to the two-night season premiere of "The Biggest Loser" Jan. 6 and 7 on NBC.

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