The Biggest Loser is chosen during the season finale.
One episode away from the finale, the remaining few are put to the test.
It's makeover week with celebrity stylists Jeannie Mae and Ken Paves - and the Final Four are announced!
Celebrate Thanksgiving with the Where Are They Now? Special, featuring favorite past contestants like Olivia, Hannah, Jesse, Ali, O'Neal and many more!
After a holiday temptation challenge, the trainers prepare a healthy Thanksgiving feast!
Apolo Ohno guest stars as the game flips to singles and the contestants compete in a pentathlon for immunity!
Season 11 winner Olivia Ward and chef Devin Alexander host a cooking challenge with an awesome prize!
A high-stakes calorie challenge realigns the teams and causes a whole lot of drama on the ranch.
Halloween Week brings a crazy candy temptation, a haunted maze and a secret revealed!
One lucky player goes home with their trainer and immunity - and the responsibility of losing enough weight to keep their team safe.
Fan faves Hannah Curlee, Adam Hurtado and Marci Crozier check in, and the teams battle the elements to win letters from home.
It's NFL Week, with Clay Matthews, Tony Gonzalez, Drew Brees, Eric Dickerson, Shawne Merriman and Tim Tebow!
The contestants endure tempting donuts, limited time in gym, topped by a visit from Dr. H.
Trainers Anna Kournikova and Dolvett Quince join Bob and new contestants for the Battle of the Ages!