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.
In the second week of competition, the white team...
After weeks of intensive competition and hard work, one contestant earns the title of "The Biggest Loser".
In their last week on the ranch, the contestants must battle to stay above the red line and avoid automatic elimination before the live finale episode.
The five remaining contestants get to show off their new looks to their family at home.
It's "Face Your Fears" week, and the fear of leaving the ranch is the first one addressed when a "save your neighbor" challenge determines which contestant has to leave the ranch and go out on their own for the week - along with another player of their choice.
The contestants are flying solo now, but they must still learn to work together.
The contestants are flying solo from here on out, and the competition stiffens. Plus, two lucky contestants win visits from their loved ones to the ranch.