The contestants of Season 15 return for the live finale, and one of the three determined finalists will be crowned The Biggest Loser.
The contestants compete in the first Biggest Loser Triathlon, and the three finalists are determined after this week's weigh-in.
The contestants meet with stylists Tim Gunn and Ken Paves to get new styles for their new looks.
The contestants travel to Park City, Utah to train with world-class athletes at the Olympics training center.
The eliminated contestants return to the ranch for a second chance to get back into the competition.
The competition moves to singles, and a double red line means that two players are headed home after this week's weigh-ins.
The contestants participate in a trivia challenge, and the losing team must work in a diner for the entire week.
One team's fate rests on a single contestant sent to work out at home with their trainer.
The contestants participate in a food drive challenge, and the winning team receives a much-needed visit from a family member.
Ruben returns to the ranch, and his Red Team finally triumphs in the season's most entertaining challenge so far.
The contestants compete in a challenge to create delicious, healthy meals for the Season 14 Biggest Loser kid ambassadors.
The contestants must scavenge through a pumpkin patch in search of immunity, but temptations lurk around every corner.
The contestants are only allowed to use gym equipment they've "purchased" in an auction.
The contestants compete in their first challenge of the season, and the weigh-ins result in the first elimination of Season 15.
Fifteen new contestants arrive on the Biggest Loser Ranch to receive a second chance at life.
After weeks of intensive competition and hard work, one contestant earns the title of "The Biggest Loser".
Season 16 contestants admit to their bad eating habits and lack of cooking skills and discuss what they hope to gain as they lose weight in the new season.
The Biggest Loser contestants open up about their secret weight-loss goals and rewards.
In their final week on the ranch, Bob reminds Jeff that he can be a source of inspiration for everyone around him, even his celebrity fitness trainer.
This 27-year-old tattoo artist explains the symbology and strength of his tattoos.
Antone calls John out for showing his true colors by voting for Sunny twice in one night.
At 24, Courtney's convinced she'll be the youngest ever Biggest Loser!
The celebrity stylist and host of Style Network's "How Do I Look?" takes the contestants on a Beverly Hills shopping spree!
Veteran trainer Bob talks about what's on deck for an exciting new season of The Biggest Loser!
Get to know Season 13's Red Team.
The contestants weigh in for Week 6, and Bob is forced to use his trainer save.
Tanya talks about her experience as a contestant on The Biggest Loser.
He's 44 years old and has four young children who need him.
Anna and her new Blue Team get off to a rough start.
No matter where you are, you can to do this no-excuses workout!
Get to know Season 12's Courtney.
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