A thrilled Robyn and Katie await some familiar faces to take the stage.
Commando puts his team through the ringer but is concerned that Amber is coasting on the Light Blue Team's immunity this week.
The Trainers are so excited to see Gerald and Todd's new looks.
The weight of the contestants past play heavy on the their minds as they push on through the challenge.
Commando is happy to see the contestants fawning over him to select him as their Trainer.
Things get tough for Kevin, but Commando steps in the murky creek to give him a boost.
The trainers tell Cher she's made great progress despite losing the first challenge.
Commando puts Katie and Anita through the ranks and gives them training hell.
Commando pushes the contestants to want more from their workout and is proud of Amber's new found positive outlook.
Commando makes Anita think about how close the Yellow team came to Elimination last week and reminds them that they need to lift their game.
Todd is inspired by Eighteen-year-old Olympian Jessica's achievements and raises the bar and runs at 17km.
The contestants will face the most gruelling obstacle course on the planet, 'The Spartan Race.'
The Commando seems happy to hear about the weigh-in shake-up.
The Commando changes it up and has the three teams competition and it's kids vs. adults.
It's the first training session after elimination and the trainers are devastated to hear that the reds were eliminated.
The contestants play a short game of basketball using the skills and drills that they've just learnt.
The Commando gets physical and shares his best training tips.
The reds have gained a 1kg advantage at weigh in but Commando is not letting them get complacent.
The Commando whips his team into shape and really focuses on Kev who has decided to give up.
The Commando is pushing his team in some last chance training.
The Commando in uniform.
The Commando is copilot in the fighter plane in a drag race against the contestants.
Things get serious when the Commando gets his megaphone out.
The trainers take a leap of faith.
The trainers welcome 3000 Biggest Loser fans.
The Commando gets ready to take the leap.
The Commando gives directions from a far.
Get active, get fit.
The Commando is ready to give the new contestants pain...
Shannan and The Commando on the bench.
The Commando poses for publicity shoot.
The Commando on the bench for a publicity shoot.
The Commando and Michelle go head to head.