Joe Messina

After weeks of intensive competition and hard work, one contestant earns the title of "The Biggest Loser." Also available on iTunes, Amazon Instant Video and VUDU

The stakes are higher than ever when all the eliminated contestants return to the ranch to compete in a fateful, four-part challenge. The challenge winner will secure a coveted spot as a finalist, and the chance to compete for the $250,000 grand prize, along with the other two finalists revealed in last week’s episode. It’s a fight to the finish with each player fiercely determined to get back in the game in a competition that will put their speed, knowledge and endurance to the ultimate test. In the end, the third finalist of season 13 will be revealed. Also available on Amazon Instant Video and VUDU

You've heard the rumors, you've heard the threats... now it's time to find out: will the final five quit the show? Also available on iTunes, Amazon Instant Video and VUDU

In part two of the series’ biggest makeover episode yet, the six remaining contestants get to meet First Lady Michelle Obama, whose Let’s Move! initiative focuses on solving the problem of childhood obesity. The First Lady talks to the contestants about how adult behavior impacts kid behavior, congratulates the contestants on being good examples of health and fitness, and visits with each player and their family members. Then it’s time for a workout they’ll never forget as trainers Bob Harper and Dolvett Quince lead the First Lady, the contestants and their families through "The Biggest Loser’s” first ever White House workout. Mrs. Obama also challenges the contestants with a competition to get more Americans healthy and active. Later, Bob tries to help a player who turns to food for comfort to deal with the stress of worrying about a loved one at home, and Dolvett puts contestants through a scenic last chance workout in front of the U.S. Capitol at the Ulysses S. Grant Memorial. Then their amazing trip to D.C. is over and they return to the ranch to weigh-in before another player is sent home. Also available on Amazon Instant Video and VUDU

It's Makeover Week! After an incredible transformation, the players head to the White House to meet the First Lady. Also available on iTunes, Amazon Instant Video and VUDU

To address the excuse "exercise is boring," trainer Dolvett Quince spices things up by taking contestants to a Zumba class, and trainer Bob Harper takes the players mountain biking. In this week’s pop challenge, the seven remaining contestants try to load boxes of food on to seven trucks, with the contestant who finishes first getting the chance to pay it forward by donating the products to their hometown food bank. Then a cooking challenge that begins at the market and ends at the ranch, finds the contestants racing against time to whip up a healthy, tasty and creative dish. Their judges will be season 12 fan favorites Antone, Becky and Vinny, who stick around to get better acquainted with the contestants before another weigh-in and elimination sends a player home. Alison Sweeney hosts the series. Also available on Amazon Instant Video

A trip to the island paradise of Hawaii includes a lesson with soul surfer Bethany Hamilton! Also available on iTunes, Amazon Instant Video and VUDU

This week, the game goes to singles for the nine remaining contestants, so everyone returns to their original team colors. Their first challenge as individuals is a tug-of-war competition on the ice with a Yankee Swap prize system that will give one lucky contestant a shopping spree with singer, actress and fashion designer Jessica Simpson! One trainer helps a contestant tackle her fear of heights, and then the tables are turned when one contestant tries coaching their trainer. Later, a tough elimination sends another player packing. Alison Sweeney hosts the series, and trainers Bob Harper and Dolvett Quince also star. Also available on Amazon Instant Video and VUDU

The players are bumped out of their comfort zones - time to switch teams! Also available on iTunes, Amazon Instant Video and VUDU

This week, the 11 remaining players put what they’ve learned to the test when they all go home for 18 days and are given the chance to gain immunity by losing 5% of their body weight. They’ll also compete individually in a home rowing challenge that will earn the winner $10,000 when they are revealed at the weigh-in. While some contestants struggle with being back in their home environments, others prove they can stay on track, especially with the support of family and friends. Later, the contestants return to the ranch for grueling last chance workouts with trainers Bob Harper and Dolvett Quince before the weigh-in reveals who lost enough to gain immunity. Then another player goes home in the most emotional elimination so far this season. Alison Sweeney hosts the series. Also available on Amazon Instant Video

The drama ratchets up a notch when the winner of a killer temptation challenge wields the power to change up the teams. Also available on iTunes, Amazon Instant Video and VUDU

Host Alison Sweeney surprises the contestants with the news that one player from each team will be going home with their trainer - and that player's weight will be the only one that counts at this week's weigh-in. It's also Valentine's Day at the Biggest Loser ranch, and that means letters from loved ones go to the team who digs their way under an obstacle course of logs first with a 200 lb. dummy along for the ride, representing the contestant who has gone home. The red and black teams do their best to burn calories while their trainers are away, and one contestant gets help from "Biggest Loser" nutritionist Rachel Beller in preparing a special meal for their loved one. Then the trainers and the two players they went home with return for a tense weigh-in before another contestant is sent home. Trainers Bob Harper and Dolvett Quince also star. Also available on Amazon Instant Video