As of July 2026, The Biggest Loser Season 3 aired in 2006 with 13 episodes — streaming now on Amazon Prime Video. Full episode guide and where to watch below.
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The Biggest Loser Season 3

2006 13 Episodes Reality ⭐ 5/10

If you want reality entertainment that actually understands its own format, The Biggest Loser Season 3 is available on and right now. A single, tightly-focused season means there is plenty to get through without ever feeling padded. 30 people have weighed in on TMDB, and the verdict leans heavily positive. The production never lets the format go stale. Put it on tonight and see for yourself.

The Biggest Loser Season 3 is not trying to be everything to everyone, and that focus is exactly what makes it work. The Biggest Loser Season 3 understands that the format only works if the people in it feel real. The Biggest Loser (season 3) is the third season of the NBC reality television series entitled The Biggest Loser. The third season premiered on September 20, 2006 with fifty overweight contestants, each competing to lose the most weight. However, first, the group would be narrowed down to 14 after the trainers each selected seven competitors for their teams. Kim Lyons and Bob Harper lead a cast that brings real weight to the material. It was aired in 2006. The format has been replicated endlessly since The Biggest Loser Season 3 first appeared, which is its own form of tribute. It delivers reliably on what it promises, which is more than most of its competition manages.

Reality sceptics are warned — The Biggest Loser Season 3 has converted more than a few doubters. It stands on its own even without an obvious comparison point. Best experienced as a single, sustained watch if your schedule allows. The casting and production never let it go stale. The kind of thing that disappears an evening without you noticing.

📡 Where to Watch The Biggest Loser Season 3

🇦🇺 Australia
🇺🇸 United States
🇬🇧 United Kingdom
🇨🇦 Canada
🇳🇿 New Zealand
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🎬 The Biggest Loser Season 3 — Episode Guide

E1
Season Premiere
2006-09-20
Caroline Rhea is back to host The Biggest Loser's third season! This time, 50 contestants will be chosen - one from each state in the U.S. There will be new surprises awaiting them, including the introduction of the new Red Team trainer - Kim Lyons. The contestants will soon learn that only 14 of th...
E2
The Biggest Loser Goes to the Beach
2006-09-27
The contestants take a trip the beach in order to get away from the ranch. After Bob and Kim put them all through a series of difficult workouts in the sand, the contestants realize it's not all fun at the beach. Also, one contestant receives some bad news from home, which could force them to leave ...
E3
Cruise Week
2006-10-04
Bob and Kim teach their teams how to exercise and eat healthy while on a cruise vacation. Their weekly challenge will consist of them, the contestants, delivering room service orders all over the cruise ship for an opportunity to win time with their loved ones.
E4
Free Pass
2006-10-11
The red team begins to mentally fall apart from all the pressure, which leads to them refusing to follow Kim's lead, making her frustrated. Meanwhile, the contestants give the "temptation" a try to win a free pass and receive immunity for the week.
E5
Gym Gone
2006-10-18
The teams are shocked to learn that the gym has been locked for the week, which prompts Bob and Kim to teach them that they can workout anywhere without using the gym. Meanwhile, the Blue Team attempts to break their losing streak by winning the weekly challenge at the Los Angeles Coliseum.
E6
Tough Choices
2006-10-25
In order to keep their team together, one team will have to step it up after back-to-back losses. The weekly temptation will not make things any easier, as the losing team will be left without their trainer and have to order takeout for the next 72 hours.
E7
Duos
2006-11-01
Caroline informs the remaining players that from this point forward, the Red and Blue teams are no more. The players will now be paired up with another and compete as a duo, and one player will have the opportunity to decide who will compete as duos.
E8
They're Back
2006-11-08
They remaining players at the ranch are shocked when Caroline Rhea informs them that some of the 36 players sent home at the beginning will be rejoining them. Two players will be joining the competition at the ranch, and will have to struggle to adapt to Bob and Kim's training.
E9
Individuals
2006-11-15
As the players are narrowed down, Caroline reveals to everyone that they will now play as individuals. The remaining players will receive a makeover and a photo shoot to showcase their new thin bodies. And during the weekly challenge, one of the player's will have to face their greatest fear.
E10
All About the Holidays
2006-11-29
The players learn how to cook a healthy Thanksgiving dinner. Meanwhile, their challenge this week will involve the players putting on all the weight they've lost since they arrived at the ranch.
E11
Back to School
2006-12-06
Bob, Kim, and season 2 winner Matt Hoover head over to their high schools to teach the kids about childhood obesity, proper exercise, and nutrition. Meanwhile, Bob and Kim talk to the school lunch ladies about replacing the unhealthy food options with healthier ones. They will attempt to inspire the...
E12
The Final Four
2006-12-06
Bob, Kim, and season 2 winner Matt Hoover head over to their high schools to teach the kids about childhood obesity, proper exercise, and nutrition. Meanwhile, Bob and Kim talk to the school lunch ladies about replacing the unhealthy food options with healthier ones. They will attempt to inspire the...
E13
Season Finale Live!
2006-12-13
It's the final week at the ranch, and the remaining contestants prepare to return home. They will try to take what they've learned at the ranch and apply it to their every day lives to continue losing weight on their own.

🎭 Cast of The Biggest Loser Season 3

KL
Kim Lyons
Trainer
Bob Harper
Bob Harper
Self
Caroline Rhea
Caroline Rhea
Host

📋 All Seasons of The Biggest Loser

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