Seasons & episodes
S11 · E17Week 17 2011-04-26 · 90 min
The players pull a car for a half mile with NASCAR's Clint Bowyer on hand for support. Former contestant Tara Costa also participates in the challenge. Later, Sam Poueu and Ali Vincent lead a gym workout and offer inspiration to the group.
S11 · E18Week 18 “Makeover Week” 2011-05-03 · 90 min
The contestants receive Cinderella-themed makeovers with fashion guidance from Tim Gunn and new hairstyles from Ken Paves. The players then show off their new looks to friends and family at a castle, where the band OneRepublic perform. Elsewhere, the players search for two keys hidden in car-shaped sandcastles during a challenge.
S11 · E19Week 19 2011-05-10 · 90 min
The trainers test the players to see what they've learned during their time at the ranch. The contestants have a chance to add to their scores by playing a "Biggest Loser" video game. Later, the players compete for an advantage at the weigh-in during a stair-building challenge utilizing weighted sandbags.
S11 · E20Week 20 2011-05-17 · 90 min
The players carry the weight they've lost so far during a golf-themed challenge and receive support from Season 10 champ Patrick House. Elsewhere, two finalists are named; the gang prepare turkey burgers for kids in a cooking competition; and last-chance workouts are held.
S11 · E21Week 21 2011-05-24 · 90 min
After viewer votes determine the third finalist, the winner of the $250,000 prize is crowned in the Season 11 finale. The eliminated players also return to weigh in for the $100,000 at-home prize
S12 · E1Week 1 2011-09-20 · 90 min
Season 12 kicks off with two new trainers – internationally renowned tennis star and certified trainer Anna Kournikova and top fitness expert Dolvett Quince – joining “Biggest Loser” favorite Bob Harper, and 15 contestants competing in a “Battle of the Ages” that will group contestants by age for the first time ever in the history of the show. Host Alison Sweeney tells the teams that they will make their first game-changing decision – who their trainer will be – in the order in which they finish the first challenge. Once each team chooses their trainer, “The Battle of the Ages” begins. The new contestants include Vinny Hickerson, who overcame a difficult childhood to become a successful Nashville recording artist, Antone Davis, a 447-pound father of four and former NFL player for the Philadelphia Eagles and Atlanta Falcons, and Bonnie Griffin, a 63-year-old grandmother of six who lost her home to Hurricane Katrina and lost her husband not long after.
S12 · E2Week 2 2011-09-27 · 90 min
Gym-time restrictions are put into place, allowing each team only two hours a day to work out. Elsewhere, the contestants receive health evaluations from Dr. Huizenga, who delivers particularly shocking news to one player; and the teams move a ball through a maze during a challenge.
S12 · E3Week 3 2011-10-04 · 90 min
The players compete for Super Bowl tickets during NFL week at the ranch. Pros Clay Matthews, Drew Brees and Tony Gonzalez head up a football-throwing challenge, while Tim Tebow, Shawne Merriman and Eric Dickerson conduct last-chance workouts.
S12 · E4Week 4 2011-10-11 · 90 min
Contestants from past seasons return to inspire the current players; after a challenge where the teams battle the elements, the winners receive a special bonus prize; contestants face elimination.
S12 · E5Week 5 2011-10-18 · 90 min
A player goes home and takes a trainer along for the trip. But the prize comes at a cost: the player's weight is the only one that counts for the team at the weigh-in. Elsewhere, the contestants at the ranch navigate a maze to fill a cylinder with soda; and a trainer lashes out at a player who hides behind humor.
S12 · E6Week 6 2011-10-25 · 90 min
The teams merge into one and learn that they have a chance to avoid an elimination if they're able to collectively lose 100 lbs. during the week. A candy-temptation setup complicates their efforts, however. Also: The players navigate a haunted maze and collect apples during a Halloween-themed challenge
S12 · E7Week 7 2011-11-01 · 90 min
The contestants swap teams and trainers after a calorie-counting challenge, and the realignment causes some tension. Later, the new teams face their first challenge together; and the trainers hold last-chance workouts away from the ranch.
S12 · E8Week 8 2011-11-08 · 90 min
The trainers pick one player to represent their teams at the weigh-in. Elsewhere, the contestants work under a time limit to prepare low-calorie dishes for Season 11 champ Olivia Ward and cookbook author Devin Alexander; and Dr. Huizenga delivers good news to a player.
S12 · E9Week 9 2011-11-15 · 90 min
The seven remaining players learn they will be competing as individuals and will be taking part in a pentathlon; Olympic medalist Apolo Ohno motivates the contestants; a trainer shares personal details with a struggling player.
S12 · E10Week 10 2011-11-22 · 90 min
The trainers prepare Thanksgiving dinner for the players, who also face a temptation challenge with a three-pound advantage prize for the winner. Elsewhere, a tough challenge requires the players to climb one mile on Jacob's Ladder treadmills.
S12 · E11Week 11 - Makeover Week 2011-11-29 · 90 min
The five remaining players receive makeovers with help from stylist Jeannie Mai and hairdresser Ken Paves. Later, they show off their new looks to family and friends before attending Cirque du Soleil's "Iris."
S12 · E12Week 12 2011-12-06 · 90 min
The eliminated players return to run a marathon, and the winner earns a spot as a finalist. The first five players to finish also receive a share of a $50,000 prize. Later, the contestants weigh in to determine which two move on to compete in the finals.
S12 · E13Week 13 - Finale 2011-12-13 · 90 min
The winner of the $250,000 prize is crowned in the Season 12 finale. The eliminated players also return to weigh in for the $100,000 at-home prize.
S13 · E1Week 1 2012-01-03 · 90 min
A new batch of couples arrive at the ranch and are shocked to learn they'll be split up to compete against each other in the Season 13 premiere. The new round has a "No Excuses" theme, and the trainers address the reasons the contestants are overweight.
S13 · E2Week 2 2012-01-10 · 90 min
The teams bet on the percentage of weight they think they'll lose in order to gain an advantage at the weigh-in. Elsewhere, the contestants learn to shop for healthful foods; the teams compete in a puzzle-based challenge; and Dr. Huizenga performs sobering health assessments.
S13 · E3Week 3 2012-01-17 · 90 min
A Chinese-buffet temptation offers the winner a two-pound advantage at the weigh-in and an opportunity to match up players for a gym challenge. Later, the teams compete in a water-transfer challenge for the chance to video chat with loved ones; a player makes a shocking decision.
S13 · E4Week 4 2012-01-24 · 90 min
The teams compete for exclusive use of the gym during a battering-ram challenge. Bob and Dolvett, meanwhile, try to get through to contestants they feel aren't putting in enough effort to shed pounds.
S13 · E5Week 5 2012-01-31 · 90 min
The players compete in a trampoline challenge to win the chance to exclude a contestant's weight from the weigh-in. Elsewhere, two eliminated players return for a chance to win a spot at the ranch, and personality clashes cause tension in the house.
S13 · E6Week 6 2012-02-07 · 90 min
One team must work out for a week without the guidance of their trainer, who secretly monitors his players to track their progress. The losing team is determined by a dunk-tank challenge, in which Bob and Dolvett are suspended over water and must rely on the contestants to keep them dry.