Jillian Michaels responds to Netflix's "Biggest Loser" documentary allegations, considering legal action while calling the series lies and discussing her side of the story.

The celebrity fitness trainer stands by her decision not to participate in Netflix’s new documentary about 'The Biggest Loser'

In the docuseries, Michaels' former costar, Bob Harper, and others affiliated with the reality show, accused Michaels of unethical behavior, such as having bullied contestants, given them caffeine pills in an effort to lose weight faster, and restricting their calories to unsafe levels.