Netflix’s new documentary, “Fit for TV: The Reality of the Biggest Loser” just landed on the streamer and it pulls back the curtain on allegations made against producers and former cast members of NBC’s former series “The Biggest Loser.”

"The Biggest Loser" was the target of criticism practically from its start in 2004, but nevertheless ran for 18 seasons.

Sarah Gilbert, who appeared on the seventeenth season of the show, has now admitted on social media that she too felt the pressure to lie while on The Biggest Loser. In a comment shared publicly on a clip of the show (via) Dr Huizenga's account, Gilbert said: "I definitely ate far less than that towards the end, but that was on me, not on you.

The Reality of The Biggest Loser, former contestants weigh the pros and cons of participating in the hit reality show, which awarded a cash prize to the person who lost the most weight during each season.

The new docuseries hit the 2025 TV schedule on Friday, and one of the biggest bombshells came from Season 8 contestant Tracey Yukich. The then-37-year-old collapsed during a mile run on the beach during their first day on the show and had to be airlifted to the hospital. Yukich described what she experienced, saying:

It's no wonder then, that Netflix decided to take a deep-dive into The Biggest Loser, interviewing former contestants, coaches, and health experts to expose what it was really like to appear on the hit show. With that being said, here's 12 of the most shocking revelations that Fit for TV uncovers...

The Biggest Loser became a cultural phenomenon when it premiered in 2004 — but the show has been plagued with scandals and controversy as well. When NBC introduced the show, it followed a group of people deemed overweight who would compete in a 30-week competition.

The 2025 Netflix documentary shines light on the darker side of the hit 2000s competition show, 'The Biggest Loser'