Jana is learning the truth behind The Biggest Loser when she talks to Tracey Yukich from season 8. 

Tracey is part of the new documentary “Fit for TV: The Reality of The Biggest Loser” and she explains while she was considered the “villain” of the show. 

Plus, Tracey tells a story from her time on the show that not many people know about, but completely changed the course of her life.