And... we're off! Are these ex-athletes ready to lose weight on The Biggest Loser Season 16?

What's under that covering?!? Allison Sweeney stands around here in a photo from The Biggest Loser.

So, here's the deal this week... the latest rules and guidelines are issued to The Biggest Loser contestant in this scene from Season 16.

Pictured in this photo from The Biggest Loser Season 16: Rob Guiry, Jordan Alicandro, Scott Mitchell, Blake Benge, JJ O'Malley.

This is a photo from "The Tailgate." It's a Biggest Loser episode on which contestants must resist high calore foods.

In this scene from The Biggest Loser, the contestants must hold a percentage of their body weight. Otherwise, their trainer goes into the pool.

We're ready for action on The Biggest Loser Season 16. This version of the NBC reality show pits former athletes against each other.

Michael Irvin guest stars here on The Biggest Loser. He has some advice to offer the contestant.

Things are getting very intense on The Biggest Loser. Just look at the faces of these contestants, people.

These are the contestants remaining on The Biggest Loser Season 16. Who will come out on top?!?

There's a reason why this contestant is emotional on The Biggest Loser Season 16 Episode 12. He just received a message from home.

The contestants head to the beach to train as everyone travels to Hawaii on The Biggest Loser Season 16 Episode 13.