Biggest Loser

See the newest 'Biggest Losers' in action

Dec. 21, 2011 at 11:37 AM ET

NBC Universal, Inc. /

"Biggest Loser" viewers already missing their weekly dose of the weight loss competition after last week's finale can take heart. The 13th season kicks off next week.

To tide fans over until then, a new series of preview clips give an early glimpse of the premiere night action.  

In the following sneak peek, veteran trainer Bob Harper and returning trainer Dolvett Quince make one heck of a first impression on the "Loser" newbies with their dueling, extreme entrances.

Here's a taste of the "No Excuses" theme for the season, as Dolvett gives Mark a no-nonsense pep talk after the player claims the first injury.

In this clip, Bob gives advice to Emily, a former Olympic weightlifter who turned to food when she left the structured life of constant training behind her.

And finally, Bob gives his breakdown on the whole season to come.

"The Biggest Loser" returns Jan. 3 at 9 p.m. ET on NBC.

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