From tension between Bob Harper and Jillian Michaels to one contestant nearly dying on the set, the new series was full of secrets.

The documentary Fit for TV: The Reality of the Biggest Loser revealed that weight regain affected the majority of previous contestants. This pattern suggests that the show's extreme methods were not sustainable for long-term health. The lack of aftercare support may have contributed to these disappointing outcomes for the contestants.

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.”

A new Netflix docu-series has shockingly overtaken Wednesday as the number one show. Discover why viewers can’t stop watching this surprising hit now!

Bob Harper and Jillian Michaels used to look like the perfect trainer duo on The Biggest Loser, but behind the scenes, things weren’t so smooth as seen on Fit for TV: The Reality of The Biggest Loser.

However, it seems Michaels, 51, has taken umbrage with some of the claims made in the Netflix documentary, with celebrity gossip site TMZ now alleging that she may even sue Netflix, as well as fellow The Biggest Loser coach Bob Harper and the show’s medical advisor, Dr. Robert Huizenga.

Netflix viewers have reacted in disbelief over 'outrageous' documentary Fit for TV: The Reality of The Biggest Loser, which lifts the veil on the TV series.

The Reality of The Biggest Loser, is shining a bright light on the old weight-loss show, and it’s not looking pretty.