The trainers and Hayley can hardly bare to watch the Chopper Jump.
Hayley explains that the Green Team receive the power of the fridge and that they've won themselves a makeover.
Each team will be given a map that will lead pairs to the four challenges before finishing the race at the chopper.
The contestants are told that the pair with the best weigh-in results will get the first pass.
In this challenge, the contestants at home will be the mind, while the contestants in the Biggest Loser house will have to hold a basket off the ground.
The Orange girls open the fridge to reveal a bombshell; they must choose one person from each team to pack their bags and go home immediately and return for weigh-in.
Hayley Lewis in the weigh-in room
The contestants hear that the house will be split into two groups, parents vs. kids.
Hayley Lewis in the weigh-in room
The contestants face the most gruelling obstacle course on the planet, 'The Spartan Race.'
Hayley explains that the Green team have won a progress weigh-in this week and it means they can jump on the scales anytime during the week.
Hayley explains that a weigh-in shake-up means that the trainers will be involved in the decision of which contestants are the next to head home.
Hayley introduces the contestants to the latest challenge.
The girls in Pink are both excited and confused by the surprise visit pass that they have received from the fridge.
Hayley gets the contestants ready for the weigh-in.
It's the contestants worst nightmare, when the contestants hear that they will be competing in The Biggest Loser 21km half marathon and they will be tethered together.
Hayley welcomes the contestants to their first competitive weigh-in.
The contestants face the most epic challenge ever as they have to work together to dragrace against a fighter jet plane and drag a 1 tonne skip down the runway.
It's a new year
Hayley introduces the contestants to a mouth-watering Cupcake Temptation.
Hayley welcomes the contestants to their most feared time of the week: Weigh-In.
Lydia receives her well-deserved Weigh-In Pass from Hayley.
Hayley congratulates Raft Challenge winners Michelle and Alex.
Hayley joins the players to show off a bicep of her own.
Hayley shields herself from the elements as she watchs the action unfold.
After a game of scissors, paper, rock, Lydia is chosen to be the contestant who will be told 'The Secret'
The contestants go to Charm School and will have to talk to strangers for 90 seconds to show them how much their confidence has grown
The Contestants are told that they will be spilt into the old dogs and young pups for their next challenge
The challenge is to break the rocks into smaller size, fill a bucket and last team to have their team container full is the winner
The Black team conjure all of their might to overtake the White Team
Lydia's top weightloss scores means she has immunity for the week and also gets the prized 24 leave pass
Haley explains the rules of The Biggest Loser Singles Blindfold Chocolate temptation
The girls are 2 in front of the boys, but what will weigh in hold for them?
Haley explains the rules of the Silver Spoon challenge and mentions the winner of the challenge will be rewarded with a night away with a biggest loser contestant of their choice.
The Biggest Loser Singles are asked to get dolled up and go out to a fancy Biggest Loser restaurant but there is a catch...
Haley greets the Biggest Loser Singles after the mammoth 12 hour temptation
Haley congratulates the Biggest Loser Singles on their great public speeches about their journeys and rewards them with a surprise
The Biggest Loser Singles are let out of the house for a suprise challenge
Haley announces the Reds are in the lead by 3 sheep
The Loser contestants meet their match at the sheep station challenge
All smiles, Hayley returns to host another inspirational Biggest Loser season.
With her athletic achievements, Hayley will again prove an invaluable role model for the competitors.