The Biggest Loser Australia (2025)

The Biggest Loser is an Australian reality television show, based on the original American version of the same name. It is produced by Crackerjack Productions and screened on Network Ten. It was hosted by Ajay Rochester from 2006–2009 and introduced former Olympian Hayley Lewis as its host in 2010. The show first debuted on 13 February 2006, followed by a second season on 4 February 2007 which introduced Michelle Bridges, Shannan Ponton and Steve Willis. The third season began airing on 3 February 2008. A fourth season, which features couples competing as teams, started airing on 1 February 2009. A fifth season, which aired on 31 January 2010, featuring former Olympic swimmer Hayley Lewis as the new host, and in 2011 the show introduced the new trainer Tiffiny Hall.

The Biggest Loser Australia

Watch Providers

Can't find providers

Casting arrow_drop_down

Seasons

Season 1

Season 1

Season 2

Season 2

Season 3

Season 3

Season 4

Season 4

Season 5

Season 5

Season 6

Season 6

Season 7

Season 7

Season 8

Season 8

Season 9

Season 9

Season 10

Season 10

Season 11

Season 11

Episodes season 1

Episodes season 2

Episodes season 3

Episodes season 4

  • 4x1

    The journey begins

  • 4x2

    The moment of truth

  • 4x3

    Chicken or the egg?

  • 4x4

    The games begin...

  • 4x5

    Double or nothing bracelets

  • 4x6

    Bucket loads of trouble

  • 4x7

    Weigh-in #1

  • 4x8

    Sisters vs newlyweds

  • 4x9

    Race to sydney

  • 4x10

    Welcome to camp biggest loser

  • 4x11

    Double vote

  • 4x12

    Running & thinking

  • 4x13

    Weigh in #2

  • 4x14

    Mothers vs mother & daughter

  • 4x15

    Nocturnal raid

  • 4x16

    Wooden spoon

  • 4x17

    Bracelet swap

  • 4x18

    Struggle in the sand dunes

  • 4x19

    Weigh-in #3

  • 4x20

    Husband & wife vs sisters

  • 4x21

    Elimination with a twist

  • 4x22

    Italian temptation

  • 4x23

    Cage of pain

  • 4x24

    A waterlogged challenge

  • 4x25

    Weigh in #4

  • 4x26

    The brothers decide

  • 4x27

    Raw or straw

  • 4x28

    Milkshake wars

  • 4x29

    A white surprise

  • 4x30

    Towers of tuna

  • 4x31

    Mel & holly's confession

  • 4x32

    A strange elimination

  • 4x33

    Cameron's bike phobia

  • 4x34

    A chocoholic's nightmare

  • 4x35

    The big split

  • 4x36

    & they're off!

  • 4x37

    Solo scales

  • 4x38

    Amanda sees red

  • 4x39

    Emazon returns

  • 4x40

    A familiar temptation

  • 4x41

    Sharif's big decision

  • 4x42

    Battle of brains & brawn

  • 4x43

    Bob does it again

  • 4x44

    A surprise for nathan

  • 4x45

    Enter the castaways

  • 4x46

    Sharif's good fortune

  • 4x47

    Surprise swap

  • 4x48

    Mud bath

  • 4x49

    Cameron's triumph

  • 4x50

    Teresa says farewell

  • 4x51

    Time to go solo

  • 4x52

    Makeover magic

  • 4x53

    Elimination shock

  • 4x54

    A painful challenge

  • 4x55

    The return of the yellow line

  • 4x56

    A difficult choice

  • 4x57

    Back to the future

  • 4x58

    Face the fears - sammy, sean & cameron

  • 4x59

    Face the fears - tiffany, meaghan & julie

  • 4x60

    The challenge - super challenge

  • 4x61

    The weigh-in #10

  • 4x62

    Sean vs cameron

  • 4x63

    Eliminated contestants return

  • 4x64

    Table of presents

  • 4x65

    Battle of strength

  • 4x66

    Escape from cockatoo island

  • 4x67

    Wildcard weigh-in

  • 4x68

    Elimination #11

  • 4x69

    Payback

  • 4x70

    Final challenge - removalists

  • 4x71

    The walk

  • 4x72

    Bio-age recalculations

  • 4x73

    Cameron’s sacrifice

  • 4x74

    Bob claims his place

  • 4x75

    Finale

Episodes season 5

Episodes season 6

Episodes season 7

Episodes season 8

Episodes season 9

Episodes season 10

Episodes season 11

NextFilm 2025