Alison Sweeney surveys the group in this shot from The Biggest Loser. The red team looks ready to go!

This is a scene from the sixth week of The Biggest Loser. Shave those pounds, people!

Push, push, push! Jillian Michaels gets up in the grill of a contestant in this shot from the 2/1/11 episode of The Biggest Loser.

Rulon Gradner is in training here. The former wrestler is trying to lose a massive amount of weight.

The Biggest Loser is one of the most popular shows on TV. It's really all NBC has going for it.