An all-new twist shakes up the fifth season of "The Biggest Loser," heightening the emotion and tension in the competition. For the first time ever in the history of the show, teams of two compete against each other rather than individuals. Nine of the ten teams – including a mother and son, husband and wife, a divorced couple, best friends, brothers and former football teammates -- already have a special bond so they're playing not only for themselves, but also for their loved one. One team, however, is made up of two complete strangers who don't meet until they are surprised with the news they're being paired together.

Alison Sweeney (NBC's "Days of our Lives") hosts the popular weight loss series, and contestants work out under the supervision of professional trainers Bob Harper and Jillian Michaels.
The first reality series in which everybody "loses," "The Biggest Loser" challenges and encourages overweight participants to undergo physical makeovers, without any kind of surgery, in a safe and recommended manner through comprehensive diet and exercise as they compete for a grand prize of $250,000.
The series has become a worldwide hit airing in over 90 countries and produced in 25 countries. It has produced a New York Times best-selling book series with four titles currently and a fifth book slated to hit stands in March 2008. The show also has two #1 selling fitness DVDs as well as a burgeoning online lifestyle club www.thebiggestloserclub.com.