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The Biggest Loser: Season 1 is the first season of the NBC reality television series entitled The Biggest Loser. It premiered on October 19, 2004.

The first season featured twelve overweight contestants competing to lose the largest percentage of their body weight and receive the title of "Biggest Loser", along with a $250,000 grand prize. There was also a $100,000 "at-home" prize for the contestant that lost the most weight at home after being eliminated.

This season was hosted by Caroline Rhea. The trainers for this season were Bob Harper and Jillian Michaels.

The first season featured twelve contestants divided into two teams of six players. The teams were each led by a personal trainer, Bob Harper with the Blue Team and Jillian Michaels with the Red Team. 

On January 11, 2005, Ryan Benson was crowned as "The Biggest Loser" and was rewarded $250,000. Gary Deckman and Kelly Minner placed second and third respectively. David Fioravanti was crowned as the "At-Home Winner" and was rewarded $100,000.

Contestants[]

Contestants are listed in chronological order of elimination.

Name Age Hometown Teams Status
Dana (Season 1)2 Dana
DeSilvio
21 Nashville, Tennessee Blue Team Eliminated in week 1
Lizzeth (Season 1)2 Lizzeth
Davalos
26 Westminster, California Red Team Eliminated in week 2
Aaron (Season 1)2 Aaron
Semmel
29 Evanston, Illinois Blue Team Eliminated in week 3
Matt (Season 1)2 Matthew "Matt"
Kamont
25 Slatington, Pennsylvania Red Team Eliminated in week 4
Dave (Season 1)2 David "Dave"
Fioravanti
39 Boston, Massachusetts Red Team Eliminated in week 5
At-Home Winner
Kelly Ma (Season 1)1 Kelly
MacFarland
31 Belmont, Massachusetts Blue Team Eliminated in week 6
Andrea (Season 1)2 Andrea
Baptiste
29 Franklin, Massachusetts Blue Team Eliminated in week 7
Lisa (Season 1)2 Lisa
Andreone
26 Orlando, Florida Red Team Eliminated in week 8
Maurice (Season 1)2 Maurice
Walker
30 Nashville, Tennessee Blue Team Eliminated in week 9
Kelly Mi (Season 1)2 Kelly
Minner
28 Coopersburg, Pennsylvania Red Team 3rd place
Gary (Season 1)2 Gary
Deckman
40 Brooklyn, New York Blue Team Runner-up
Ryan (Season 1)2 Ryan
Benson
36 Van Nuys, California Red Team Winner

Weigh-ins and eliminations[]

Contestants are listed in reverse chronological order of elimination.

Elimination-S1

Weigh-in history[]

WeighIn-S1

Voting history[]

Voting-S1

Episodes[]

No. in season Title Original air date
1 "Pilot" October 19, 2004
Two teams, each with six overweight people, compete to see which team can lose more weight. The losing team must eliminate a player at the end of each epsiode.
2 "Episode 2" October 26, 2004
The 11 remaining players diet and exercise. Included: each team tries to sell more baked goods at Universal City Walk.
3 "Episode 3" November 9, 2004
With 10 contestants remaining, the teams compete in a “pop star” challenge, which requires them to write and perform a song about weight loss.
4 "Red and Blue Teams Go to New Heights" November 16, 2004
The red and blue teams face the challenge of climbing 74 flights of a skyscraper.
5 "A Team Lightens Up Through Elimination" November 23, 2004
The teams face their greatest temptation to date and a contestant is eliminated after that person's team find that they are being manipulated.
6 "Teams Trek to the Beach for a Challenge" November 30, 2004
The blue-team trainer gets upset when a contestant refuses to exercise; one of the teams is divided following an elimination surprise.
7 "Biking Challenge" December 7, 2004
Better-fitting clothing is the prize for the winner of a stationary-bike race to see who can clock the most mileage by midnight. Also: contestants learn about a new twist in the competition.
8 "Playing It Close to the Vest" December 14, 2004
Contestants must run a quarter-mile wearing vests weighted to match the amount of weight they lost during the competition.
9 "A Look Back Special" December 21, 2004
A look at past shows with emphasis on humorous moments, never-before-seen bloopers and contestant exit interviews.
10 "Final Weigh-In at the Ranch" January 4, 2005
The contestants "train" the trainers; team members reflect on their journey thus far; a vote narrows the players to three.
11 "Season Finale" January 11, 2005
After the contestants are trimmed down to three, one ends up the winner of, as host Caroline Rhea promised, "a new body, a new life and $250,000".
12 "It Isn't Over Until it's Over" January 18, 2005
An episode that follows up on some announcements made on the season finale. There are more revelations about contestants' lives.
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