Episode 1
Time for Change
1h 30m4.0 / 10
Twelve people who want to get healthy and transform their lives arrive at The Biggest Loser Campus.
Where to watch The Biggest Loser
TV series
The Biggest Loser
2004TV-PG18 seasons5.4 / 10
The Biggest Loser features obese people competing to win a cash prize by losing the highest percentage of weight relative to their initial weight.
Streaming, rental and purchase options
Where to watch in United States
Checked Jul 22, 2026
The Biggest Loser is available to stream on Prime Video, Amazon Freevee, and The CW in United States. You can also rent or buy it from Google Play, Amazon, Apple TV, and Fandango at Home. Use the direct links below to open the provider.
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Synopsis
The Biggest Loser features obese people competing to win a cash prize by losing the highest percentage of weight relative to their initial weight.
Season 18 episodes
Choose an episode, then use the watch options above for the show.
Episode 2
A Big Loss
1h 30m4.0 / 10
A loss by one team causes emotions to run high as the contestants push harder to meet their goals.
Where to watch The Biggest Loser
Episode 3
Supporting the Team
1h 30m4.0 / 10
Two contestants overcome their insecurities and emerge as leaders during this week's challenge.
Where to watch The Biggest Loser
Episode 4
Messages from Home
1h 30m4.0 / 10
All the remaining contestants finally get to reconnect with friends and family.
Where to watch The Biggest Loser
Episode 5
Diving In
1h 30m4.0 / 10
The contestants take a dive into fitness as friendships grow stronger.
Where to watch The Biggest Loser
Episode 6
Overcoming Obstacles
1h 30m4.0 / 10
One contestant faces an unexpected obstacle, forcing their team to come together in new ways.
Where to watch The Biggest Loser
Episode 7
Going Solo
1h 30m4.0 / 10
It’s every person for themselves as the contestants no longer compete in teams.
Where to watch The Biggest Loser
Episode 8
Boosting Morale
1h 30m4.0 / 10
The contestants get the encouragement they need to keep moving forward on their journey.
Where to watch The Biggest Loser
Episode 9
Final Four
1h 30m4.0 / 10
The final four contestants revisit a fitness milestone to see how much progress they have made.
Where to watch The Biggest Loser
Episode information updated Jul 24, 2026
More about The Biggest Loser
Cast
Erica LugoSelf
Steve CookSelfKim LyonsTrainer
Jessie PavelkaSelf
Bob HarperSelf
Alison SweeneySelf - Host
Caroline RheaHost
Jillian MichaelsSelfCredits
- Created by
- Dave Broome, Ben Silverman, Mark Koops
- Written by
- Trace Slobotkin
Production details
- Status
- Canceled
- Series type
- Reality
- Episodes
- 263
- Original language
- English
Networks & production
NBCUnited States- 25/7 ProductionsUnited States
Themes
competitiondietexercisehealthobesityoverweightreality competitionscale
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