The BEST Episodes of The Biggest Loser

Every episode ever - ranked by fan votes!

Last Updated: Sep 28, 2019

Network: NBC

The biggest winner is "The Biggest Loser" in this compelling new weight-loss reality drama in which two celebrity fitness trainers join with top health experts to help 12 overweight contestants transform their bodies, health and ultimately, their lives. Caroline Rhea hosts the unscripted, one-hour series in which two competing teams follow comprehensive diet and exercise plans to undergo radical physical makeovers. Unique physical challenges, surprising alliances and irresistible temptations make the competition even tougher for the contestants, who ultimately have to decide which player gets eliminated each week. In the end, "The Biggest Loser" becomes the biggest winner, walking away with a healthier body - and $250,000.

Live Finale

#1 - Live Finale

Season 14 - Episode 12

The winner of the $250,000 prize is crowned in the Season 14 finale, and the eliminated players return to weigh in for the $100,000 at-home prize. The kid participants also show off their transformations

star 8.78
23 votes
Week 12

#2 - Week 12

Season 12 - Episode 12

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.

star 8.56
9 votes
Down to the Wire

#3 - Down to the Wire

Season 14 - Episode 11

Two finalists are named along with the two players who will compete for the third spot in the finale. Also: The contestants pull the weight they've lost up a mountain; the kids and the contestants receive health updates and reflect on their weight-loss journeys.

star 8.42
12 votes
Week 6

#4 - Week 6

Season 10 - Episode 6

Chefs Curtis Stone and Lorena Garcia guide the players during a timed cooking contest. Elsewhere, the blue and black teams face off in a dragon-boat challenge, and the players choose one person from each team whose weight will count at the weigh-in.

star 8.34
12 votes
Running a Full Marathon!

#5 - Running a Full Marathon!

Season 7 - Episode 19

The final four contestants go home for 30 days, reunite with friends and family and experience firsthand the challenge of continuing to make diet and exercise a priority back at home. Contestants also learn from host Alison Sweeney what their final challenge of the season will be - running a full marathon when they return to the ranch for their final weigh-in. Completing the full 26.2 mile course will be their toughest challenge yet, but cheering them on along the way are some past season "Biggest Losers"- grand prize winners Ali Vincent and Michelle Aguilar, plus "at home" winners Jim Germanakos, Heba Salama and Bernie Salazar. And as an added incentive, each player who finishes the marathon will get $10,000 to donate to the charity of their choice. Later, it's the very last "last chance workouts" with trainers Bob Harper and Jillian Michaels before a final weigh in determines who the two definite finalists will be - and which two contestants fall below the dreaded yellow line, leaving America to vote which one will be the third finalist to compete for the grand prize of $250,000.

star 8.33
3 votes
Week 19 - Finale

#6 - Week 19 - Finale

Season 9 - Episode 19

After viewer votes determine the third finalist, the winner of the $250,000 prize is crowned in the Season 9 finale. The eliminated players also return to weigh in for the $100,000 at-home prize, and former contestants share their weight-loss progress since leaving the show.

star 8.33
3 votes

#7 - Finale

Season 15 - Episode 15

In this must-see, exciting live finale, the 15 contestants from this season return for a special reunion and a chance to weigh in one last time - and show America how much weight they've all lost since beginning their weight-loss journeys. Those who have been eliminated will compete for the $100,000 "at home" prize. Then it's the moment viewers have been waiting for, when one of the three finalists will be named this season's "Biggest Loser" and win the coveted grand prize of $250,000.

star 8.32
34 votes

#8 - Triathlon

Season 15 - Episode 14

The stakes are higher than ever when the five final players compete in a "Biggest Loser" first -- a sprint triathlon, requiring them to swim a mile, bike 12 miles and run three miles. The triathlon winner will secure a coveted spot as a finalist, as well as a brand new Ford Fusion. Then it's an emotional trip down memory lane as the contestants watch footage of their journeys with their trainers, and see firsthand how far they've come since arriving on the ranch. Later, it's time for the last weigh-in before the finale, where two players will fall below the red line and go home, and two more will become finalists, joining the triathlon winner to compete for $250,000 and the title of "The Biggest Loser" at the season 15 finale.

star 8.31
35 votes
Contestants Get to Train Their Trainers!

#9 - Contestants Get to Train Their Trainers!

Season 7 - Episode 18

This week, the tables are turned when contestants get to train their trainers and are only too happy to put Bob and Jillian through the paces! Later, the remaining five players have to race up and down hills while carrying bags representing their total weight loss so far in a particularly grueling challenge. Then it's time to visit Dr. Huizenga for a progress report and to find out their new "real ages" now that they've lost so much weight. The players also try on their "goal outfits" and are amazed to see how far they've really come. Then after weighing in and eliminating one more contestant, the final four players head home, where they'll stay for 30 days before returning to weigh in at the ranch one last time.

star 8.25
4 votes
The Auction

#10 - The Auction

Season 15 - Episode 3

The contestants bid on gym equipment in an auction. Later, one player discusses her difficult childhood; the contestants contact their family members; and Season 12 contestant Vinny Hickerson makes an appearance.

star 8.21
47 votes
Week 6

#11 - Week 6

Season 8 - Episode 6

The two teams dig for a buried treasure on the beach. As a final result of the challenge, one team is sent home with loved ones while the other team stays at the ranch to train with their trainer.

star 8.20
5 votes
Week 7

#12 - Week 7

Season 8 - Episode 7

Derek Jeter gives and inspirational talk to the contestants about the importance of team work before they participate in a baseball challenge. Chef Curtis Stone makes a health Mediterranean meal for the winner of the challenge; at the weigh in a contestant breaks a Biggest Loser record.

star 8.20
5 votes
Week 11

#13 - Week 11

Season 8 - Episode 11

Investment guru Suze Orman, makes a guest appearance on the show to advise the contestants and to administer a quiz. She says she is there to help them find the balance between health and wealth. She tells them that obesity is a very expensive disease. She asks them financial questions relating to health and weight.

star 8.20
5 votes
A Game of Chance

#14 - A Game of Chance

Season 15 - Episode 2

The teams learn that only one member's weigh-in will count for the week, and the representative is chosen by a roll of the die. Also: The players compete in a water-bucket race; a contestant receives a troubling health update; a player connects with a family member; and one of Season 14's child ambassadors revisits the show.

star 8.16
49 votes
Trick or Treat

#15 - Trick or Treat

Season 15 - Episode 4

The contestants must scavenge through a pumpkin patch in search of immunity, but temptations lurk around every corner.

star 8.16
43 votes
Second Chances

#16 - Second Chances

Season 15 - Episode 1

Fifteen contestants, including "American Idol" winner Ruben Studdard, begin their weight-loss journeys in the premiere of Season 15.

star 8.16
44 votes
The Playoffs

#17 - The Playoffs

Season 16 - Episode 12

The teams disband and the players compete on their own for the first time in an obstacle course, with the grand prize being immunity. Later, the trainers surprise the players with videos featuring words of encouragement from loved ones

star 8.15
26 votes
Week 16

#18 - Week 16

Season 13 - Episode 16

Previous winners John Rhode, Olivia Ward and Patrick House return to take on a difficult obstacle course along with the players. Also: The contestant who loses the highest percentage of weight for the week wins an SUV; the trainers and players watch videos documenting their progress.

star 8.14
14 votes
Makeover Week

#19 - Makeover Week

Season 15 - Episode 13

The contestants meet with stylists Tim Gunn and Ken Paves to get new styles for their new looks.

star 8.09
33 votes
Week 3

#20 - Week 3

Season 8 - Episode 3

Tracey tries to protect herself and Coach Mo by making controversial decisions that end up antagonizing the other players and frustrating her trainers. A temptation gives one player control of the game and the Challenge offers immunity. When two teams fall below the yellow line, one team sacrifices itself for the other.

star 8.00
5 votes
Week 6

#21 - Week 6

Season 9 - Episode 6

It’s a star-studded Olympic-themed episode of “The Biggest Loser: Couples” to help kick off the winter games! This week, the contestants head to Colorado to train like Olympic athletes at the U.S. Olympic training facility in Colorado Springs.

star 8.00
4 votes
Week 3

#22 - Week 3

Season 10 - Episode 3

One contestant creates tension in the house by expressing a wish to go home; professional tennis player Anna Kournikova gives the contestants tennis lessons before they face a challenge involving tennis balls; another contestant is sent home.

star 8.00
10 votes
Week 7

#23 - Week 7

Season 10 - Episode 7

The contestants spend a week training with marines at California's Camp Pendleton. Their regimen includes hiking with large backpacks, rifle exercises and an obstacle-course challenge. At the end of the week, Bob and Jillian lead last-chance workouts before the next weigh-in.

star 8.00
10 votes
Week 8

#24 - Week 8

Season 10 - Episode 8

The players compete as duos, which are arranged by the winner of a dinner temptation, but the pairings don't please everyone. Elsewhere, Bob and Jillian address the issues that are holding some contestants back. Then, the pairs stack sugar cubes for a challenge before a particularly tense weigh-in.

star 8.00
9 votes
Week 9

#25 - Week 9

Season 10 - Episode 9

The players begin competing as singles. Elsewhere, the contestants receive videos from home, a welcome distraction from the speculation surrounding the previous week's elimination, and rally around one player who doesn't receive a video. Also, a balancing test in a pool and a personal milestone for a contestant at the weigh-in.

star 8.00
9 votes