The Biggest Loser: Episode 507

The contestants celebrate nearing the halfway point of the game with a challenge involving their weight loss totals. Plus, they receive an inspirational visit from their doctor to assess their health advances. Surprise guest trainer Jillian Michaels' mom, a psychotherapist, helps the contestants begin to understand the issues in their past that have contributed to their weight gain. Then another elimination round leads to a heartbreaking farewell as one more player is sent home.