Watch The Biggest Loser Online

The Biggest Loser is a reality series in which 12 contestants become roommates under the same roof and struggle to shed excess pounds by following a disciplined routine of exercise and dieting while facing the possibility of elimination. Contestants will then have to maintain their weight and shape by carefully managing their behavior outside of the controlled house atmosphere, with the winner being the one who is most physically fit across the boards.

Premiere Date: Oct/19/2004

Genre: Drama, Family

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Most Recent Episodes

The Biggest Loser season 17 episode 8

Season 17, Episode 8: TBA

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Air Date: Feb 22, 2016

The Biggest Loser season 17 episode 8

Season 17, Episode 8: Live Finale

The contestants return for the live finale. The ones were sent home through the course of the season step on the scale to see who will be the "at home champion." Roberto, Steven, and Colby step on the scale to see who will be crowned the &q...

Air Date: Feb 22, 2016

The Biggest Loser Casts

Bob Harper

Bob Harper

Bob Harper

Dolvett Quince

 Dolvett Quince

Dolvett Qunice

Alison Sweeney

 Alison Sweeney

Host (2007-2015)

Jennifer Widerstorm

 Jennifer Widerstorm

Trainer (2015-Present)

Jillian Michaels

 Jillian Michaels

Trainer