Top 9 Season 13 Challenges | Part 1 | The Biggest Loser

Take a look back at 3 of the Top 9 Challenges from Season 13 of The Biggest Loser! For even more life-changing moments from The Biggest Loser past and present, subscribe to the official YouTube channel: https://www.youtube.com/user/nbcbiggestloser/ For show updates and more: Follow us on Facebook: https://www.facebook.com/biggestloser/ Follow us on Twitter: https://twitter.com/biggestloser Follow us on Instagram: https://www.instagram.com/biggestloser/ Watch full episodes: usa.app.link/WatchTheBiggestLoser