Jillian Michaels is punching back at “The Biggest Loser” alumni who made claims against her in the Netflix documentary “Fit for TV,” which explores the “dark side of the NBC reality series.” Michaels was a fitness trainer on the weight-loss competition series from 2004 to 2011,

The former trainer on the weight loss bootcamp series hits back at claims made in a new Netflix docuseries, 'Fit for TV: The Reality of the Biggest Loser.'