Eight overweight couples live together as they are put through a strenuous exercise regime. Each week, one person who has lost the least amount of weight is eliminated, until only one contestant remains and is crowned, The Biggest Loser.
There is injury and sickness as trainers Angie & Richard give all the contestants their first full day of exercise so that they can choose their teams.
The contestants are put into their training teams and find out just how tough their daily workout will be. Miriam breaks down, Michaela faints and there is high drama and high stakes as the contestants face the first of their weekly challenges.
The training is taking its toll on all the contestants and almost proves too much for Katey. Jamie’s shoulder is causing him pain, Richard gets motivational and Michaela gets emotional.
It’s the end of the week and the contestants face last chance training, their hardest session so far, in preparation for their first competitive weigh in.
It’s the elimination and all the contestants find it very emotional as they vote out the first pair. The trainers find out who has been sent home, and Richard takes his team for a workout in the snow.
The blue team go on the Trek, where they will have the power to do something good or bad for the other contestants. Michaela & Jennifer have a hard time in training, and Jamie and Katey have to cook pizza.
The weekly challenge is a test of endurance set on an indoor ski slope. There is heroic effort by some of the pairs who have to go it alone as their team mates fall injured. And romance is in the air for two of the contestants.
Richard takes both teams for their first trainers challenge. Letters from home provide tears and motivation and in their second Temptation the contestants are given a chance to win a day at a health spa.
Last chance training makes Kevin sick and Miriam loose her confidence. The weigh in delivers some dramatic results which leave the contestants in shock and two more pairs will have to plea for their place in the house.
The Blue and Yellow team face elimination and the trainers find out which of their pairs has been sent home. Jamie has to see the medic and Katey finds it all too much. On the plus side there is a hint of romance in the air.
A shock departure leaves Angie stunned and upset. Jamie is signed off training and Richard puts his team through Armageddon. Mark & Kevin go on the Trek, and Angie surprises the contestants at lunchtime and is shocked at what she finds.
Angie & Richard swap teams for the day. Richard takes Angie’s team for Armageddon, but for Richard team, having Angie as trainer makes Michaela cry. It’s the weekly challenge, will the Brown team win their third victory?
Angie confronts Jamie after he faints in her training session. Carol takes a nasty turn and temptation offers a night out. Who will succumb?
Richard’s last chance training sees the Browns get competitive with each other and in Angie’s team Miriam breaks down in tears. It’s the third weigh in, who will be this week’s Biggest Loser and who will fall below the yellow line and face elimination?
Katey and Carol, and Jennifer and Sadie face an emotional elimination. Jamie and Angie have a frank conversation which leads to a surprise result. There’s training for both teams and the return of tyre flipping.
A football game between the training teams causes injury. Angie has a break through with Miriam’s lack of confidence and Richard’s team let out their frustration with a boxing session followed by some Tai Chi.
One team have to row the equivalent of the English channel, on top of which, this week’s challenge see the contestants get down and dirty on the farm.
A tense and emotional Temptation causes tempers to flair within the house. Richard’s trainer challenge has a surprise result and over on Angie’s team Sadie learns a new skill while Dave proves once again that he’s the man to watch.
It’s weigh in day and once again the contestants face the scales. Who will drop below the dreaded yellow line and will face elimination?
Sadie & Miriam face elimination. The team dynamics are about to change as Kate Garraway delivers some shocking news to the contestants. The pink ladies panic and want to leave.
The new teams go head to head on an Assault course in Sherwood Forest, and the losers have to cook breakfast for the winners. Back at the house the trainers spend time getting to know their new teams and the contestants say goodbye to their old lives.
Tensions run high between Carol and Mark. The weekly challenged takes place at an old steam railway. It doesn’t look good for the blue team as Jamie & Katey are injured, whereas the black team are fully fit.
Richard’s trainer challenge sees Mark & Katey battle it out on the exercise bikes for £200 worth of spa vouchers. Angie and her team take Sadie for a bike ride and Temptation takes the team rivalry to new heights.
Angie’s team have to do last chance training without her. Richard gives some advice to Mark which makes him start to build bridges within his team. It’s the first weigh in for the new teams and the blues feel confident.
It’s the elimination and all of the black team have to face the fact that they could be sent home. The decision goes right to the wire. Mark has to go on the Trek and realises that he needs to change tactics if he wants to survive in the house.
An old contestant returns and boosts the injured blue team. A game of dodge ball helps Jamie off crutches, and the trainers give both teams a treat with a dancing session run by some famous faces.
This week’s challenge sees the contestants heading skywards. After being so badly beaten at last weeks challenge, the Black team are determined to beat the Blue team today. But with Carol & Maria afraid of heights will it be another victory for the blues.
The contestants are offered videos from home if they succumb to Temptation and nearly everyone feels homesick. A previous winner of the Biggest Loser comes to motivate both teams and the Blue team start looking for scapegoats.
Convinced that they will lose this week’s weigh in, the blue team start thinking tactically about their own survival. The black team use the power of positive thinking to try and hit their weight loss targets, but will it work?
The Blue team face elimination, will they vote tactically? Angie’s black team show their strength at tyre flipping strength and in Richard’s session Lisa’s chat gets them all in trouble. A game of rugby between the teams brings back happy memories for Jamie.
Katey misses the early morning training session which gets Lisa annoyed and Jamie gets annoyed with Lisa & Michaela. Kevin picks up an injury which may put him, out of the competition and Carol is sent on the Trek.
All the contestants are given a makeover and get to celebrate Carol’s birthday with some surprise guests.
With the weigh in looming the blue team is divided. Temptation promises immunity which makes it very hard to resist.
It’s weigh in day, following the challenge, one person will be automatically eliminated.
It’s the start of the final week. Katey has to choose who to eliminate, Jamie or Michaela, which leaves Richard with just two team members.
Medal winners Mark Foster & Jamie Staff help both teams with the swimming and cycling techniques. The contestants then face their biggest challenge, a Triathlon. Will Katy be fit enough to take part and who will be victorious?
The remaining contestants have to train carrying all the weight they have lost so far. It’s the last weigh in at the house. Who will make it through to become a finalist and who will be sent home?
The last finalist is chosen and all the contestants leave the house. Emotions run high as the finalists return to their families and we catch up with all the eliminated contestants as they train at home for the final.
After 8 weeks in the Biggest Loser House and 9 weeks training at home, there are massive transformation in store as all 16 contestants gather for the final weigh in. Who will be crowned the Biggest Loser and walk away with the £10,000 prize?