Episode 601 Trainers Bob Harper and Jillian Michaels fly around the country, surprising their teams with the news they've been chosen for the show. Then it's off to "The Biggest Loser" ranch in California, where the contestants get a wake-up call from the show's doctor about what ages their bodies really are vs. their chronological ages because of obesity. Then the eight teams compete in their first challenge - and the lucky winner gets immunity from this week's elimination.
Episode 602 The contestants get to bid on the percentage of body weight they think they'll lose this week, and the highest bidding team can win $10,000 - but only if they reach their weight loss goal. Then it's off to a wild "sprint and slide" challenge, with the winning team earning a phone call home. Later, Chef Rocco DiSpirito drops by to teach the contestants how to shop for and make healthy, tasty and affordable meals before an elimination round sends another team packing.
Episode 603 The contestants take a road trip to one of the most beautiful places in the world - the Grand Canyon! On the way there, they stop by a convenience store for a temptation challenge with host Alison Sweeney that will provide the winning team a much more luxurious trip for their scenic getaway. Once they arrive at the Grand Canyon, they have to figure out how to work out with no gym and no trainers. Later, the family teams compete for an amazing prize in a kayak challenge on the Colorado River before heading back to the ranch, where medical problems threaten to sideline one contestant. Then a surprise shake-up at the weigh in makes for the most difficult and emotional elimination so far.
Episode 604A One team gets to go home and surprise their loved ones, while another team cashes in on a prize to spend 24 hours with their trainer for a day they'll never forget! Then the contestants face their toughest challenge yet - a water tower competition that tests their endurance like never before. Later, one group of contestants incurs the wrath of their trainer when it seems they aren't working out as hard as they need to to stay on the ranch.
Episode 604B One group of contestants tries to convince their trainer that they are committed to stepping up their workouts. Later, one of the contestants has a heart-to-heart talk with her trainer about relationship issues with their family member. And a surprising weigh-in forces one team to send a family member home when they fall below the yellow line.
Episode 605 The contestants are left in the dark - literally - during a wild baked goods temptation, with the winner gaining considerable power that could completely change the competition. Later, host Alison Sweeney wakes the contestants up to gather them for the challenge, which will last from sun up to sundown - the longest challenge in "Biggest Loser" history. One contestant struggles with a decision about whether to stay at the ranch or go home, and then an elimination round sends another contestant packing.
Episode 606 Trainers Bob and Jillian take their teams through very unusual workouts unlike anything they've done before. Later, Dr. Huizenga gives the contestants a very encouraging six-week progress report of how far they've come and how much healthier they are since coming to the ranch. Then the teams square off in a difficult balance beam challenge, with the winning team getting something very special from home.
Episode 607 Contestants put their food knowledge to the test during a calorie quiz that will give the winning team a dramatic advantage in the challenge. Later, emotions run high when one contestant confronts another on the opposing team before the challenge, which leaves the players soaring to new heights. Then one contestant stuns everyone with a record-breaking weigh-in before an elimination round sends another contestant home.
Episode 608 It's a week of surprises for "The Biggest Losers," and the first is the news from host Alison Sweeney that they'll start competing as individuals now instead of as teams. Then comes the surprise return of all the eliminated contestants, and the revelation that only one gets to return to the game - and that decision won't be determined by weight loss. Then the contestants get a surprise visit from last season's Biggest Loser - Alison Vincent! Later, two contestants clash in a big way before the challenge, in which contestants have to stay one step ahead of the competition - literally. And after the weigh-in, the players get their last surprise - a twist in how this week's elimination will go down.
Episode 609 Contestants travel back in time to the 1980s, dressing the part and doing 80s style workouts and participating in a special 80s-themed challenge. Meanwhile, two players aren't speaking to each other, causing friction in the house and with one team in particular. Then an emotional elimination round sends another contestant home.
Episode 610 It's Thanksgiving week at the "Biggest Loser" ranch, and contestants will be celebrating with turkey, football and very special guests! First, NFL Super Bowl MVPs Jerry Rice and Steve Young stop by to put the contestants through NFL-style drills. Then celebrity chef Rocco DiSpirito helps the contestants make a healthy version of a traditional Thanksgiving dinner. Later, the contestants are really thankful when they receive special videos from home.
Episode 611 It's one of the most eagerly-anticipated events of every "Biggest Loser" season - the makeover episode! This season, the remaining five contestants are whisked away to New York City for amazing makeovers that will show how far they've really come in their weight-loss journeys. After getting new hairstyles at a top salon, the contestants are off to Macy's, where "Project Runway" winner Christian Siriano helps them pick out new outfits to show off their skinnier new figures. Later, after their transformations are complete, the made-over contestants are revealed on the "Tyra Banks Show," unaware that their loved ones are waiting to surprise them! After enjoying a day in New York with their family members, they head back to the "Biggest Loser" ranch. There, the contestants are tested with a wild challenge that becomes a huge victory for one player struggling to overcome her fears.
Episode 612 It's the last episode before the season finale, and time for the final four contestants to reflect on their weight loss journeys and the amazing progress they've made. They'll try on their former "big" clothes and watch highlight videos with their trainers showing just how far they've come. Then, in their final challenge of the season, the contestants will have to carry all the weight they have lost as they race around a track, shedding one week's weight loss at each pit stop until they cross the finish line. Later, at the final weigh-in, two players fall below the yellow line, and then make their heartfelt pleas to viewers as America will once again decide which of the two will become the third finalist at the season finale.
Episode 613 All of the families 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. There are four contestants left, but America has voted on the two that fell below the yellow line in last week's episode to choose who will be the third finalist in the game. After America's vote is revealed and the third finalist is announced, the eliminated player will then weigh in with the other 12 eliminated contestants to 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!