Season 4

2009 · 75 episodes

The Biggest Loser Australia: Couples! With the help of the trainers, Michelle Bridges, and Shannan Ponton, a new set of overweight families, lovers and friends will change their lives forever. The contestant with the highest percentage weight lost will win a MASSIVE cash prize, and the title of The Biggest Loser!

1The Journey Begins20 contestants embark on an incredible weight loss journey that will change their lives forever. Guided by renowned trainers Michelle Bridges and Shannan Ponton, these individuals face their first weigh-in and grueling challenges that test their physical and mental limits.
2The Moment Of TruthThe journey truly begins as the 20 contestants face their first weigh-in. Guided by the expert trainers Michelle Bridges and Shannan Ponton, the participants step onto the scales, revealing their starting weights and setting the stage for their incredible transformations.
3Chicken Or The Egg?The contestants face their first training session. With the guidance of expert trainers Michelle Bridges and Shannan Ponton, the participants must push their limits in a high-stakes physical test that will determine who joins which team.
4The Games Begin...The competition intensifies as the contestants face a challenging team-based task. The teams must work together to overcome a demanding physical obstacle course that tests their strength, endurance, and teamwork.
5Double Or Nothing BraceletsThe stakes are higher than ever as the contestants are introduced to the 'double' and 'nothing' bracelets that could shape the entire game.
6Bucket Loads Of TroubleThe contestants face a intense challenge that shakes up the competition. Guided by trainers Michelle Bridges and Shannan Ponton, the participants must adapt to new challenges and unexpected changes that test their resilience and determination.
7Weigh-In #1The contestants are still reeling from last episode’s excruciating challenge. As they push through the physical and emotional aftermath, they now face their first competitive weigh-in. Tensions run high as each contestant steps onto the scale, revealing the results of their hard work and determination. Who will triumph and who will face disappointment? Tune in to witness the dramatic highs and lows of this pivotal moment in their weight loss journey.
8Sisters Vs NewlywedsThe stakes are higher than ever as the contestants face their first elimination. As tensions rise, alliances are tested and strategies are put to the ultimate test. Who will be the first to leave the competition, and how will the double or nothing bracelets shake up the game?
9Race To SydneyThe competition intensifies as contestants embark on a thrilling race to Sydney. This high-stakes challenge tests their endurance, strategy, and teamwork. With the finish line in sight, alliances are formed and rivalries heat up. Who will emerge victorious in this pivotal race, and how will it impact their journey towards transformation? Tune in to witness the drama, determination, and surprising twists in this exciting episode.
10Welcome To Camp Biggest LoserThe contestants complete their grueling 2500km race to Sydney, showcasing their incredible endurance and determination. After crossing the finish line, they finally settle into the luxurious Biggest Loser mansion. As they adjust to their new surroundings, the contestants reflect on their journey so far and prepare for the challenges ahead. Watch as they celebrate their achievements and gear up for the next phase of their weight loss journey in this exciting episode.
11Double VoteThe winners of the last challenge gain control of the powerful ‘double trouble’ disc, giving some couples a double vote at the next elimination. This twist adds a strategic layer to the game, as contestants must navigate new alliances and rivalries. Meanwhile, unforeseen news puts some contestants’ futures in jeopardy, adding to the tension and drama. Who will leverage the double votes to their advantage, and how will the shocking news impact the competition? Tune in to find out in this thrilling episode.
12Running & ThinkingThe contestants must outrun their competitors while their partner answers health-based trivia questions. With tensions running high and stakes even higher, who will rise to the occasion and who will struggle under the pressure? Don’t miss this gripping episode filled with unexpected twists and heartfelt moments.
13Weigh In #2The competition takes a dramatic turn as one contestant is rushed to the hospital, leaving everyone on edge. The remaining contestants must push through their worries and face an emotional weigh-in that could change the course of the game. With tensions running high and stakes even higher, who will rise to the occasion and who will struggle under the pressure? Don’t miss this gripping episode filled with unexpected twists and heartfelt moments.
14Mothers Vs Mother & DaughterThe competition reaches a critical point as contestants face the next elimination. With two couples holding the powerful double vote, the stakes are higher than ever. Alliances are tested and strategies come into play as everyone fights to stay in the game. Who will be sent home, and how will the double vote twist impact the dynamics? Tune in to witness the intense drama and emotional moments in this pivotal episode.
15Nocturnal RaidThe competition heats up as the Commando challenges half the contestants with a rigorous physical test, pushing them to their absolute limits. Meanwhile, the remaining contestants take time to reflect on their journey, with one receiving a heartfelt and emotional message from home that brings tears and renewed determination.
16Wooden SpoonThe contestants face a high-stakes temptation challenge for immunity. Watch as they test their willpower and strategic skills. Plus, a heartwarming surprise visit from a loved one brings tears and motivation. Don’t miss the intense training sessions with Michelle Bridges and Shannan Ponton, and the emotional moments that will inspire you.
17Bracelet SwapThe competition takes an unexpected turn as one contestant wins a game-changing advantage. This twist shakes up the dynamics, leading to the formation of unlikely alliances and bonds as everyone fights to become the Biggest Loser.
18Struggle In The Sand DunesTiffany returns with a fierce new attitude and is ready to take charge. Contestants are pushed to their limits as they tackle the infamous killer sand dunes challenge. This grueling test of endurance and strength will determine which couple has what it takes to rise to the occasion and prove their resilience.
19Weigh-In #3The competition reaches new heights as Nathan and Tiffany go head-to-head in a fierce physical challenge. The intensity doesn’t stop there, as the Commando’s two contestants make a dramatic return to the competition, shaking up the dynamics. The episode culminates in a pivotal weigh in, showcasing some truly impressive weight losses that leave everyone in awe. With emotions running high and the stakes higher than ever, this episode is packed with thrilling moments and inspiring transformations.
20Husband & Wife Vs SistersThe tension reaches new heights as contestants face another emotional elimination. The pressure is on as each couple fights to stay in the competition, knowing that one misstep could send them home. Emotions run high as alliances are tested and strategies come into play.
21Elimination With A TwistTensions escalate as one couple is singled out to compete against the other six couples following a majority vote. This unexpected twist puts immense pressure on the chosen couple, testing their resilience and determination. The trainers, Michelle Bridges and Shannan Ponton, continue to push all contestants through intense workouts, helping them overcome physical and mental barriers. Emotions run high as alliances are tested and strategies are put to the ultimate test.
22Italian TemptationThe contestants face another intense food temptation challenge that tests their willpower and strategic thinking. As they navigate this high-stakes challenge, one contestant suffers an unexpected injury, adding to the drama and tension. Meanwhile, another contestant makes a shocking announcement that shakes up the competition and leaves everyone stunned. Don’t miss the intense and motivational moments in this must-watch episode.
23Cage Of PainNew rivalries emerge as the pool of contestants continues to shrink. Meanwhile, a new and dangerous force enters the playing field, threatening to change the dynamics of the entire competition. Don’t miss the dramatic and motivational moments in this must-watch episode.
24A Waterlogged ChallengeThe contestants face a grueling water workout proved to test their balance, patience and bodies. Who will succeed and who will fall in? Don’t miss this dramatic episode!
25Weigh In #4Six determined couples face off against a single couple in a high-stakes weigh-in. The tension is palpable as each team steps onto the scale, knowing that their future in the competition is on the line. Who will triumph and who will face the possibility of elimination? Don’t miss this dramatic showdown!
26The Brothers DecideBrothers Nathan and Andrew face a heart-wrenching decision as they choose to eliminate one couple from the competition. The tension is palpable as alliances are tested and the stakes reach an all-time high. Who will stay and who will go? Don’t miss this dramatic episode!
27Raw Or StrawThe contestants uncover their biological age, revealing surprising insights into their health. Faced with this new information, they must make critical diet decisions that could change their lives forever. Will they choose wisely and take a step closer to their weight loss goals? Watch now to see the dramatic transformations!
28Milkshake WarsTensions run high as contestants face off in a gripping partners’ contest. The stakes are higher than ever, with each pair pushing their limits to avoid elimination. Emotions overflow when one contestant receives a heartwarming visit from home, providing much-needed motivation. Don’t miss the dramatic transformations and inspiring journeys in this must-watch episode!
29A White SurpriseThe competition intensifies as contestants face a surprise twist that shakes up the game. With the pressure mounting, each participant must dig deep to overcome their personal challenges and stay in the race. Witness the emotional highs and lows as the contestants receive unexpected letters from home, providing a powerful boost of motivation. Don’t miss the dramatic weigh-ins and inspiring transformations that make this episode a must-watch!
30Towers Of TunaTwo previously eliminated contestants make a dramatic return to the competition, shaking things up for everyone. The stakes are higher than ever as the contestants face a unique and challenging task: stacking tuna cans into a towering structure. With emotions running high and the pressure mounting, alliances are tested and strategies are put to the ultimate test. Don’t miss the intense weigh-ins and inspiring transformations that make this episode a must-watch!
31Mel & Holly's ConfessionThe competition takes a shocking turn when one contestant passes out during a grueling challenge. The intensity of the competition pushes everyone to their limits, leading to an unforgettable moment. As the contestants recover from the scare, they face a game-changing weigh-in that could alter the course of the entire season. Emotions run high as they confront their fears and strive for victory. Don’t miss the dramatic weigh-ins and inspiring transformations that make this episode a must-watch!
32A Strange EliminationThe stakes are higher than ever as contestants face a tense elimination round. Sisters Holly and Mel find themselves at risk of going home, adding to the drama and intensity. Just when things seem dire, a surprise visitor from home arrives, potentially swaying the contestants’ decisions. Experience the heartfelt moments, strategic gameplay, and dramatic weigh-ins that make this episode a must-watch!
33Cameron's Bike PhobiaTensions reach a breaking point as one contestant has an emotional breakdown. The pressure doesn’t let up as contestants must then cycle for their food, pushing their physical and mental limits even further. Experience the intense challenges, heartfelt moments, and inspiring transformations that make this episode unforgettable!
34A Chocoholic's NightmareBob embarks on a secret mission that could change the game for everyone. Meanwhile, the remaining contestants engage in a high-stakes gambling game for immunity, adding an exciting twist to the competition. As tensions rise and strategies unfold, alliances are tested, and the pressure mounts. Don’t miss the emotional moments and dramatic weigh-ins that make this episode a must-see!
35The Big SplitThe contestants are faced with a shocking twist that threatens to tear the competition in two. As alliances are put to the test, the stakes have never been higher. With emotions running wild, the contestants must navigate this unexpected challenge while striving for their weight loss goals. Don’t miss the intense weigh-ins and heartfelt moments that make this episode a must-watch!
36& They're Off!The contestants face a grueling endurance challenge in teams of two, divided into red and blue. As they push their limits, the competition heats up, testing both their physical strength and teamwork. With emotions running high and strategies unfolding, every moment counts as they strive for victory. Don’t miss the intense weigh-ins and inspiring transformations that make this episode a must-watch!
37Solo ScalesThe contestants face their first team weigh-in after completing a grueling endurance challenge. Divided into red and blue teams, they must work together to achieve their weight loss goals, adding a new layer of strategy and camaraderie to the competition. Don’t miss the inspiring transformations and heartfelt moments that make this episode a must-watch!
38Amanda Sees RedThe red team faces a tough decision during elimination. With tensions running high, they must choose who will leave the competition: will it be Cam, Sharif, or a surprising contender that no one expects? As emotions flare and alliances are tested, the stakes have never been higher. Don’t miss the intense weigh-in and the heartfelt moments that make this episode a must-watch!
39Emazon ReturnsCam faces a tough ultimatum that could change the course of his journey. Meanwhile, the red team undergoes a grueling training session designed to push their limits and strengthen their resolve. As they sweat it out, the pressure mounts, leading to pivotal moments that will impact their futures in the competition. Don’t miss the emotional weigh-in and the surprising twists that make this episode a must-watch!
40A Familiar TemptationThe contestants face a thrilling game of temptation featuring their favorite foods, testing their willpower like never before. As they navigate the challenges of cravings, the camp welcomes surprise house guests, adding a fresh dynamic to the competition. With emotions running high and strategies unfolding, this episode is packed with unexpected twists and heartfelt moments. Don’t miss the intense weigh-in and the inspiring journeys that make this episode a must-watch!
41Sharif's Big DecisionSecret allegiances begin to form within the two teams as they gear up for the next elimination round. As contestants navigate the complexities of trust and strategy, the tension escalates, leading to unexpected alliances that could change the game. With emotions running high and the pressure mounting, this episode is filled with dramatic moments and heartfelt decisions. Don’t miss the intense weigh-in and the inspiring transformations that make this episode a must-watch!
42Battle Of Brains & BrawnThe blue and red teams go head-to-head in an exhilarating gym challenge that tests their strength and teamwork. After pushing their limits, the competition heats up as they face off in a calorie trivia contest, where knowledge about nutrition could make all the difference. With strategies unfolding and emotions running high, this episode is filled with intense moments and inspiring transformations. Don’t miss the dramatic weigh-in that follows, showcasing the contestants’ hard work and dedication!
43Bob Does It AgainThe competition heats up as the blue and red teams continue their battle in an intense calorie trivia contest. Each question could tip the scales in their favor, making knowledge about nutrition crucial for success. After the trivia showdown, the teams head to the weigh-in, where the fate of one team hangs in the balance. With emotions running high and strategies at play, this episode is packed with dramatic moments and inspiring transformations. Don’t miss the pivotal weigh-in that will determine who stays and who goes!
44A Surprise For NathanNathan prepares to make a heartfelt sacrifice in the elimination round, putting his own journey on the line to ensure that Cam can stay in the competition. As the tension builds, their plans may be jeopardized by the unexpected actions of another contestant, adding a twist to the elimination drama. With friendships tested and strategies unfolding, this episode is filled with intense moments and inspiring transformations. Don’t miss the pivotal weigh-in that will determine who stays and who goes!
45Enter The CastawaysNathan finds himself with the power to eliminate one contestant alongside him, creating a pivotal moment in the competition. However, the commando has other plans that could change everything. Will Nathan’s decision impact the team’s dynamics, or will unexpected twists derail their plans? Don’t miss the emotional weigh-in that will determine who stays and who goes, packed with intense moments and inspiring transformations!
46Sharif's Good FortuneThe contestants take on a thrilling fortune cookie challenge for a chance to win immunity, testing their luck and strategy in a fun twist on the competition. Meanwhile, Bob and Nathan embark on an adventure to a remote island with the commando, where they face unique challenges that push their limits. Don’t miss the dramatic weigh-in that will determine who stays and who goes!
47Surprise SwapSharif earns the power to shake up the game, introducing exciting new dynamics that could change everything for the contestants. Meanwhile, Bob and Nathan are put to the ultimate test by the Commando on Fitzroy Island, facing challenges that will push their limits and resilience. As strategies unfold and alliances are tested, this episode is packed with intense moments and inspiring transformations. Don’t miss the dramatic weigh-in that will determine who stays and who goes!
48Mud BathCam embraces a new lease on life, fueling his determination to succeed. Meanwhile, the red and blue teams face off in an intense mud course challenge that tests their strength, teamwork, and resilience. As they navigate the slippery obstacles, the competition heats up, leading to unforgettable moments of triumph and camaraderie. Don’t miss the emotional weigh-in that follows, showcasing the contestants’ hard work and dedication!
49Cameron's TriumphSean and Andrew face off in an intense mud course challenge that pushes their limits and tests their determination. Meanwhile, Nathan and Bob undergo a dramatic weigh-in on the island with the commando, where every decision counts. Additionally, viewers get a heartfelt glimpse into the lives of previous contestants outside of the competition, showcasing their journeys and transformations. Don’t miss the emotional moments and inspiring stories that make this episode a must-watch
50Teresa Says FarewellThe blue team faces their first elimination, adding a layer of tension and uncertainty to the competition. As the stakes rise, contestants must confront their fears and make tough decisions that could change their journeys forever.
51Time To Go SoloThe teams are split back into individual members, bringing a new level of competition and personal challenge. As the contestants navigate their journeys alone, they receive a mysterious message from the ghosts of their past, prompting deep reflection and emotional confrontations. This unexpected twist adds intensity to their weight loss journeys, leading to powerful moments of growth and determination. Don’t miss the dramatic weigh-in that will reveal the impact of their hard work and choices!
52Makeover MagicThe contestants receive a stunning full makeover to celebrate their incredible transformations so far. As they embrace their new looks, the excitement and joy in the air are palpable. This special moment highlights their hard work and dedication throughout the competition. Don’t miss this inspiring episode filled with heartfelt moments and remarkable changes!
53Elimination ShockMeaghan gains the incredible power to change up the game entirely, introducing new twists that could alter the course of the competition. As she navigates this newfound influence, the contestants must adapt to the shifting dynamics and strategize for their futures
54A Painful ChallengeOne contestant faces an unexpected elimination that leaves everyone in shock. As the drama unfolds, the remaining contestants gear up for an intense cycling challenge where maintaining their heart rate is crucial—if it drops too low, they risk being eliminated from the competition. With high stakes and emotions running high, this episode is packed with thrilling moments and inspiring determination.
55The Return Of The Yellow LineCam and Tiffany go head-to-head in an exciting competition that tests their skills and determination. As the tension builds, the other contestants prepare for a dramatic weigh-in that could change the course of the competition. With emotions running high and stakes at their peak, this episode is filled with intense moments and inspiring transformations.
56A Difficult ChoiceThe contestants face a crucial elimination decision that puts all allegiances and rivalries to the ultimate test. As tensions rise, friendships are challenged and strategies are questioned, leading to intense discussions and emotional moments. With the stakes higher than ever, this episode is packed with suspense and inspiring transformations.
57Back To The FutureThe final contestants embark on an unforgettable adventure to New Zealand! As they explore the stunning landscapes, they face new challenges that test their physical and mental limits. This journey not only celebrates their incredible transformations but also strengthens their bonds as they push each other to succeed. Don’t miss the emotional moments and inspiring stories that unfold as they take this pivotal step in their weight loss journey!
58Face The Fears - Sammy, Sean & CameronThe contestants travel to New Zealand, where they confront their deepest, darkest fears. As they face these emotional challenges head-on, the journey becomes a transformative experience that tests their resilience and determination. With each contestant pushing their limits, this episode is filled with intense moments of growth and self-discovery.
59Face The Fears - Tiffany, Meaghan & JulieMeaghan and Tiffany embark on a transformative journey as they travel to New Zealand to confront their deepest, darkest fears. This emotional adventure challenges them to face personal obstacles head-on, pushing their limits both physically and mentally. As the competition intensifies, watch Meaghan and Tiffany navigate through their fears, revealing inspiring stories of resilience and courage. Their journey is filled with intense workouts, heartfelt moments, and surprising revelations that will leave you motivated and uplifted.
60The Challenge - Super ChallengeThe contestants face an exhilarating race across the stunning landscapes of New Zealand! As they navigate challenging terrains, the stakes are higher than ever—the contestant who finishes last will face elimination.
61The Weigh-In #10The highly anticipated super challenge reaches its nail-biting conclusion! As the contestants push themselves to the limit, the stakes have never been higher. With one contestant facing elimination, emotions run wild as they battle not only for their weight loss goals but also for their place in the competition.
62Sean Vs CameronThe stakes are higher than ever as contestants face a critical elimination round. Tensions soar when one contestant must make a heart-wrenching decision: surrender and leave the competition, potentially saving another contestant’s place in the game.
63Eliminated Contestants ReturnThe drama intensifies as eliminated contestants make a surprising comeback! As they return to the ranch, the current contestants are in for a shock during the weigh-in that could change the course of the competition. Watch as emotions run high and tensions flare when the eliminated contestants step on the scale, revealing unexpected results that leave everyone stunned.
64Table Of PresentsA fierce force returns to shake up the competition! As the eliminated contestants battle it out for a chance to re-enter the game, the stakes have never been higher. Watch as these determined individuals face intense challenges, showcasing their grit and resilience in hopes of reclaiming their spot in the competition. The current contestants are left on edge as they witness the return of a formidable rival, igniting rivalries and fueling the fire of competition.
65Battle Of StrengthThe competition heats up as the eliminated contestants return to fight for a chance to re-enter the game! With their sights set on redemption, these determined individuals will stop at nothing to secure their place in the competition. Watch as they push their limits, showcasing their resilience and commitment to transforming their lives.
66Escape From Cockatoo IslandThe eliminated contestants get one last shot at redemption! They must successfully escape from Cockatoo Island to earn their way back into the competition, and the pressure is on! As they navigate challenging obstacles and work together to strategize their escape, emotions run high.
67Wildcard Weigh-InBoth current contestants and those who have been eliminated return for an emotional weigh-in to assess their progress on their weight loss journeys. As everyone steps on the scale, the tension builds—the bottom two contestants will face elimination!
68Elimination #11The contestants face a life-changing decision that could impact their journey in the competition! During a dramatic elimination, they must decide how to handle a shocking opportunity worth $400,000—a chance to claim the coveted double bracelet.
69PaybackThe contestants take charge as they host a unique training session for their trainers! This role reversal not only empowers them but also showcases their growth and newfound confidence. As the episode unfolds, the contestants revisit their original audition tapes, reflecting on their journeys and the challenges they’ve overcome. To top it all off, the contestants try on their dream outfits, celebrating their incredible transformations and visualizing their goals.
70Final Challenge - RemovalistsThe contestants face their ultimate challenge before the competition comes to a close! This high-stakes showdown will determine who gains control over the coveted final walk, a pivotal moment that could influence the outcome of the season. As the contestants push their limits, they showcase their strength, determination, and growth throughout the journey.
71The WalkThe contestants unveil a mysterious box that has the potential to completely switch up the game just before the finale! As excitement and curiosity fill the air, the contestants are left wondering what surprises await them inside. Will the contents of the box provide an advantage, or will it introduce new challenges?
72Bio-Age RecalculationsThe contestants reveal their new biological ages, showcasing the incredible transformations they’ve undergone throughout the competition! The contestants then dive into a thrilling cook-off competition, where they put their culinary skills to the test. With healthy ingredients and creative recipes, they battle it out in the kitchen, aiming to impress the judges and showcase their newfound knowledge of nutrition.
73Cameron’s SacrificeThe contestants gear up for their final training sessions before the highly anticipated finale! With the finish line in sight, the contestants push themselves harder than ever, determined to achieve their weight loss goals and showcase their incredible transformations. Then the contestants cast their final votes to see who goes home before the finale.
74Bob Claims His PlaceNathan and Bob make a surprise comeback to the house. Their unexpected return adds a new dynamic as they prepare to compete in a crucial weigh-in that will determine who secures a coveted place in the final four. Who will rise to the occasion and claim their spot in the finale?
75FinaleThe excitement is at an all-time high! After an incredible journey of transformation, the remaining contestants are ready to reveal their hard-earned results and compete for the title of The Biggest Loser. The finale features dramatic weigh-ins, inspiring stories, and the crowning of the champion who has not only transformed their body but also their life.

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