The Biggest Loser NBC reveals the identities of 'The Biggest Loser' fourth-season cast 08/02/2007 NBC has revealed the identities of the 18 contestants that will compete on The Biggest Loser's fourth season, which will premiere with a two-hour special on Tuesday, September 11 at 8PM ET/PT. Read More RELATED NEWS 'The Biggest Loser 4's female runner-ups all still feel like winnersBill Germanakos: 'The Biggest Loser 4' victory feels "pretty amazing"Bill Germanakos wins 'The Biggest Loser 4' by losing 164 pounds TAGS: The Biggest Loser Bob Harper Jillian Michaels
