The Biggest Loser NBC orders another 'The Biggest Loser,' announces casting tour 02/11/2008 NBC has announced it's renewed The Biggest Loser for a sixth season that will follow the same "couples" format as the show's currently-airing fifth installment. Read More RELATED NEWS NBC announces casting tour for 'The Biggest Loser's ninth season'The Biggest Loser: Families' champion Michelle Aguilar gets engagedExclusive: Heba Salama talks about 'The Biggest Loser: Families' TAGS: The Biggest Loser Bob Harper Jillian Michaels Alison Sweeney Craig Plestis
