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The biggest winner is "The Biggest Loser" in this compelling new weight-loss reality drama in which two celebrity fitness... More

The biggest winner is "The Biggest Loser" in this compelling new weight-loss reality drama in which two celebrity fitness trainers join with top health experts to help overweight contestants transform their bodies, health and ultimately, their lives.

The Biggest Loser Full Episodes

'Biggest Loser' Adds Two New Trainers Jessie Pavelka and Jennifer Widerstrom
Jillian Michaels Leaving The Biggest Loser (Again)
NBC Announces All Its Fall Premiere Dates: The Blacklist, Constantine and More
Biggest Loser Is Changing Its Rules After Rachel Frederickson's Shocking Weight Loss
Is Jillian Michaels Leaving The Biggest Loser? More Details Here
Biggest Loser Winner Says She's at "Perfect Weight" After Putting 20 Pounds
Biggest Loser Rachel Frederickson Looks Healthy While Responding to Controversy on TODAY (VIDEO)
'The Biggest Loser' Doctor Inks Canadian TV Development Deal
More >
'The Biggest Loser' Season 15 Finale Recap: The Winner Is...
'The Biggest Loser' Recap: The Triathlon and Finalists Revealed
'The Biggest Loser' Recap: Makeover Transformations
'The Biggest Loser' Recap: Olympic Training and Trials
'The Biggest Loser' Recap: An Eliminated Player Returns
'The Biggest Loser' Recap: Going to Singles and a Game Changing Twist
'The Biggest Loser' Recap: Back to Work
'The Biggest Loser' Recap: Inspirations, Confessions and Eliminations
More >