As of July 2026, The Biggest Loser Season 8 aired in 2009 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 8

2009 13 Episodes Reality ⭐ 5/10

If you want reality entertainment that actually understands its own format, The Biggest Loser Season 8 is available on and right now. A single, tightly-focused season means there is plenty to get through without ever feeling padded. Its 5/10 TMDB score, built from 30 ratings, reflects a title that consistently delivers. Watch it for the format — it delivers exactly what it promises. Available now — press play and find out why people keep recommending it.

Whatever else is competing for your attention this week, The Biggest Loser Season 8 is worth clearing space for. The Biggest Loser Season 8 understands that the format only works if the people in it feel real. The Biggest Loser: Second Chances is the eighth season of the NBC reality television series The Biggest Loser. The contestants competed to win a $250,000 prize, which was awarded to Danny Cahill, the contestant with the highest percentage of weight lost. This season premiered on NBC on Tuesday, September 15, 2009. Bob Harper and Alison Sweeney lead a cast that brings real weight to the material. It was aired in 2009. The editing in The Biggest Loser Season 8 does a lot of quiet work shaping how you feel about every person on screen. It delivers reliably on what it promises, which is more than most of its competition manages.

Reality sceptics are warned — The Biggest Loser Season 8 has converted more than a few doubters. It does not lean on comparisons to make its case. Short enough to finish in a weekend, substantial enough to feel satisfying. The production understands its own premise and executes on it without apology. If you have enjoyed similar formats before, this is one of the stronger examples of what the genre can do.

📡 Where to Watch The Biggest Loser Season 8

🇦🇺 Australia
🇺🇸 United States
🇬🇧 United Kingdom
🇨🇦 Canada
🇳🇿 New Zealand
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🎬 The Biggest Loser Season 8 — Episode Guide

E1
Week 1
2009-09-15
The 16 players have been chosen and head to The Biggest Loser Ranch. The theme this season is second chances. The contestants are happy to finally meet Bob and Jillian, but are a little surprised when the bus drops them off at the beach to meet with Ali first.
E2
The Biggest Loser: Couples Season 8 Episode 2
2009-09-22
E3
Week 3
2009-09-29
Tracey tries to protect herself and Coach Mo by making controversial decisions that end up antagonizing the other players and frustrating her trainers. A temptation gives one player control of the game and the Challenge offers immunity. When two teams fall below the yellow line, one team sacrifices ...
E4
Week 4
2009-10-06
A contestant gets frustrated because medical conditions prevent them from working out at full capacity. The contestants are shocked when they find out the kitchen is off limits and learn why it's off limits. One team gets an amazing prize during a pop challenge about calories. Jillian and Bob help c...
E5
Season 8, Episode 5
2009-10-13
This is the week the contestants are split into Bob's Blue team and Jillian's Black team. Alison tells the contestants that the winner of the temptation challenge will pick which players go to which team. The winner picks the new teams and splits up old teams; another player is sent home.
E6
Week 6
2009-10-20
The two teams dig for a buried treasure on the beach. As a final result of the challenge, one team is sent home with loved ones while the other team stays at the ranch to train with their trainer.
E7
Week Seven
2009-10-27
Derek Jeter gives and inspirational talk to the contestants about the importance of team work before they participate in a baseball challenge. Chef Curtis Stone makes a health Mediterranean meal for the winner of the challenge; at the weigh in a contestant breaks a Biggest Loser record.
E8
Week Eight
2009-11-03
The players travel to Washington DC and get a tour of the White House. They meet the White House chef for the tour, and they are shown Michelle Obama's garden where she grows vegetables to eat in the White House. The contestants help to pick and prepare vegetables, then eat them at lunch. The weigh-...
E9
Week 9
2009-11-10
Ali reveals to the contestants that two people will be going home, but there's a second twist. In addition to the yellow line, there will also be a red line. Whoever falls below the red line will be automatically eliminated and sent home prior to the voting. This causes tension between two players.
E10
Week 10
2009-11-17
This week is makeover week, and each contestant is made over with the assistance of Tim Gunn and Tabatha Coffey. They then give speeches designed to inspire and motivate others.
E11
Week 11
2009-11-24
Investment guru Suze Orman, makes a guest appearance on the show to advise the contestants and to administer a quiz. She says she is there to help them find the balance between health and wealth. She tells them that obesity is a very expensive disease. She asks them financial questions relating to h...
E12
Week 12
2009-12-01
The contestants all go home for 60 days, in which they have to find time to balance time with their families, their jobs, and find time to work out. Each player gets a phone call from either Bob or Jillian, explaining that they are going to run a marathon.
E13
Season 8 Finale
2009-12-08
The wait is finally over! The live finale has arrived. Who will win that $100,000 prize?

🎭 Cast of The Biggest Loser Season 8

Bob Harper
Bob Harper
Self
Alison Sweeney
Alison Sweeney
Self - Host
Jillian Michaels
Jillian Michaels
Self

📋 All Seasons of The Biggest Loser

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