Biggest Loser US

It's The Biggest Loser Season 14 premiere! This season we are Challenging America to tackle childhood obesity. World-class trainer Jillian Michaels returns to help Bob and Dolvett whip 15 obese adults and 3 teens into shape.

It's The Biggest Loser Season 14 premiere! This season we are Challenging America to tackle childhood obesity. World-class trainer Jillian Michaelsreturns to help Bob and Dolvett whip 15 obese adults and 3 teens into shape.

The first step to losing weight is to get moving. This week the contestants do just that in the Trainers' brand new workout arenas. The kid ambassadors are put through the Biggest Loser fitness test to see how they how stack up.

The first step to losing weight is to get moving. This week the contestants do just that in the Trainers' brand new workout arenas. The kid ambassadors are put through the Biggest Loser fitness test to see how they how stack up.

A pop challenge forces the losing team to live like kids for the week. They must spend 4 hours a day locked in a room full of temptations. The trainers send nutritionist Dr. Joanna to teach the kids how to cut the junk at home.

A pop challenge forces the losing team to live like kids for the week. They must spend 4 hours a day locked in a room full of temptations. The trainers send nutritionist Dr. Joanna to teach the kids how to cut the junk at home.

The trainers spend the week with the kids at home while the adults learn how to lose weight on their own. Bob motivates Bingo in a baseball workout, while Jillian and Sunny row with an all-girls crew team. Dolvett pushes Lindsay to beat her mile run time.

The trainers spend the week with the kids at home while the adults learn how to lose weight on their own. Bob motivates Bingo in a baseball workout, while Jillian and Sunny row with an all-girls crew team. Dolvett pushes Lindsay to beat her mile run time.

The contestants are challenged to grocery shop for the week on the average American budget of $10 per day. Biggest Loser Chef Devin Alexander teaches them low cost healthy recipes. The trainers video chat with the kids at home and get updates on their progress.

The Team faces a swimming challenge then David goes to the doctor as he's been using crutches for weeks, Bob is concerned for him and he discovers about a previous injury David has been hiding from him.

This week only one person from each team will weigh in for their team. It will be decided at the weigh-in with the role of a die. The kids lead by example at home: Biingo starts an afterschool activity club, Lindsay organizes an anti-bullying rally, and Sunny learns Bollywood dance.

Laila Ali, Muhammad Ali's daughter, is a world champion fighter and now fitness and health expert. She meets the Red Team to motivate them and show them how to do a boxing workout.

This week the contestants go into singles! There's a Valentine's-themed temptation with a 2lb advantage at stake. At the first individual challenge of the season the winner gets to fly a loved one to the ranch.

This week the contestants go into singles! There's a Valentine's-themed temptation with a 2lb advantage at stake. At the first individual challenge of the season the winner gets to fly a loved one to the ranch.

It's "all for one" week. If the remaining 7 contestants collectively lose 70 pounds then everyone is safe from elimination. If they fall below they must face the Red Line! The kids return to check their progress in the BL Fitness Test.

It's "all for one" week. If the remaining 7 contestants collectively lose 70 pounds then everyone is safe from elimination. If they fall below they must face the Red Line! The kids return to check their progress in the BL Fitness Test.

This week contestants must face their fears. It starts with a Pop Challenge where the loser must face the biggest fear of all, living off the Ranch for a week to lose weight on their own. No gym. No trainers. At the Challenge contestants battle their fear of heights for immunity!

This week contestants must face their fears. It starts with a Pop Challenge where the loser must face the biggest fear of all, living off the Ranch for a week to lose weight on their own. No gym. No trainers. At the Challenge contestants battle their fear of heights for immunity!

It's Makeover Week! The final 5 contestants and 3 kids get made-over by fashion guru Tim Gunn and celebrity hair stylist Ken Pavés. The contestants reveal their new looks to friends and family in their hometowns! At home the contestants must lose 5% of their weight or face elimination at the weigh in.

It's Makeover Week! The final 5 contestants and 3 kids get made-over by fashion guru Tim Gunn and celebrity hair stylist Ken Pavés. The contestants reveal their new looks to friends and family in their hometowns! At home the contestants must lose 5% of their weight or face elimination at the weigh in.

It's the last week before finale. The final 5 contestants will face a yellow line AND a red line. The person with the lowest percentage of weight loss will fall below the redline and be immediately eliminated.

The Biggest Loser's remaining contestants face the final challenge of the season. They will have to climb a mountain carrying a sled, picking up 10 different weights on the way up that represent the weight they lost at each weigh-in.

It's the live Finale. Find out who America voted for to compete with the other 2 finalists for $250,000 and the title of The Biggest Loser. All the at home contestants come back to show off their new bodies and compete for $100,000.

It's the live Finale. Find out who America voted for to compete with the other 2 finalists for $250,000 and the title of The Biggest Loser. All the at home contestants come back to show off their new bodies and compete for $100,000.