The Biggest Loser (U.S. TV series) Series overview Series overview

| Name_ | Premiere | Finale | Original_teams | The_Biggest_Loser | At_Home_Winner |
|---|---|---|---|---|---|
| The Biggest Loser (season 1) | October 19, 2004 | December 14, 2004 | Two teams of six | Ryan Benson | David Fioravanti |
| The Biggest Loser (season 2) | September 13, 2005 | November 29, 2005 | Two teams of seven divided by gender | Matt Hoover | Pete Thomas |
| The Biggest Loser (season 3) | September 20, 2006 | November 29, 2006 | Two teams of seven and two at-home returnees | Erik Chopin | Brian Starkey |
| The Biggest Loser (season 4) | September 11, 2007 | December 18, 2007 | Three teams of six | Bill Germanakos | Jim Germanakos |