Fitness guru and entrepreneur Jillian Michaels. (Ivan Apfel/Getty Images)Jillian Michaels is pushing back against claims made about her in Netflix's newly released docuseries, Fit for TV: The Reality of the Biggest Loser, which began streaming on Aug. 15. The series delves into the history of the NBC reality show, The Biggest Loser, which the fitness trainer co-hosted for 12 seasons.