The competition goes from teams to singles.
One team goes back to work - in a Diner.
One contestant goes home with their trainer, and has to lose enough weight to keep their whole team safe.
Contestants pay it forward with a special Thanksgiving challenge, and the winning team gets a holiday dinner with loved ones.
It's a busy week at "The Biggest Loser" ranch, which kicks off with a fun bouncing ball challenge that will award members of the winning team a welcome cash prize.
Contestants compete in a fun cooking challenge with last seasons's Kid Ambassadors and White House nutrition expert Sam Kass.
Contestants race through a pumpkin patch looking for one of the biggest prizes ever awarded in a challenge.
Contestants bid on gym equipment in the show's first ever auction.
A roll of the die determines whose weight will count at the weigh-in.
Inspiring contestants, including the show's first celebrity player, Ruben Studdard, an uplifting "second chances" theme and powerful new roles for the trainers highlight Season 15.
"The Biggest Loser" revealed in the exciting season finale!
It's down to the final five and the stakes have never been higher. This week, a red line will determine which contestant is going home, and a yellow line will determine which two players America will vote for to determine who the third finalist will be for season 14.
Fashion Guru Tim Gunn and celebrity Hairstylist Ken Paves guest star in the Fan Favorite makeover episode.
The six remaining contestants are forced to face their fears.
Players work together for a chance to win immunity for all.
The remaining eight players go to singles and face a Valentine's Day temptation.