Top 9 Challenges: Part 1 | The Biggest Loser | Season 8

Take a look back at 3 of the Top 9 Challenges from Season 8 of The Biggest Loser! For even more life-changing moments from The Biggest Loser past and present, subscribe to the official YouTube channel:    / nbcbiggestloser   For show updates and more: Follow us on Facebook:   / biggestloser   Follow us on Twitter:   / biggestloser   Follow us on Instagram:   / biggestloser   Watch full episodes: usa.app.link/WatchTheBiggestLoser