An all-new "The Biggest Loser" returns to NBC on January 4^th with new host, Bob Harper, a new temptation theme, a new gym, and a new logo!

The new format for "The Biggest Loser: Temptation Nation" includes eight compelling contestant teams of two.

The cast this season features eight contestant teams of two, all with compelling stories, and some familiar faces from other Reality TV shows, a former "Celebrity Apprentice," as well as the original "Survivor" winner, Richard Hatch.

Things have been switched up this season with an all new "Temptation" theme that will focus more on the contestants preparing to live their lives in the real world, while living and maintaining a healthier, new lifestyle. "Players will be spending more time off-campus than in previous seasons, learning to face a variety of temptations head on and navigate the many challenges that can be stumbling blocks to living a healthy lifestyle," according to NBC's press release.

Don't miss "The Biggest Loser" Season 17 premiere with 16 new contestants competing for the $250,000 grand prize on January 4^th at 9pm ET on NBC.

Photo credit: NBC