• Air date: 11 Sep '07 15 episodes
      The Biggest Loser (season 4) is the fourth season of the NBC reality television series entitled The Biggest Loser. The fourth season premiered on September 11, 2007 with 18 overweight contestants in a weight loss competition for an ultimate prize of $250,000. The Biggest Loser campus was located at California State University Channel Islands in Camarillo, California. The season four contestants were divided into 3 teams: the Red team, led by trainer Kim Lyons; the Blue team, led by trainer Bob
  • List of Episodes (15)
    • 1. Back to Basics

      11 Sep '07
      The contestants start off their weight-loss journey by being dropped off in the middle of the desert, while their trainers standby about a mile away from them. The first two to reach their trainers will become the team captains, allowing them to pick their five teammates. However, this means the six remaining contestants have to be sent home, but Jillian Michaels returns to let them in on a little secret.
    • 2. The Secret Black Team is Revealed!

      18 Sep '07
      Bob and Kim prepare their teams for this week's challenge: racing up the stairs of a 10-story building. With immunity as the prize, both teams will have to do their best. Meanwhile, the secret black team, trained by Jillian Michaels, is finally revealed to the other contestants, who will join them in competing for the title of "The Biggest Loser" and $250,000.
    • 3. The Pressure of Temptation

      25 Sep '07
      When the teams are put in a room full of tempting, unhealthy foods, they will have to decide in four minutes if it is worth it or not to eat the most calories in order to win a three-pound pass which can be used to their advantage at the weigh-in. In the challenge, the contestants will compete in three different 100-meter heats against a yellow team formed by three kids, where the winning team will win a phone call home.
    • 4. Bidding Wars

      02 Oct '07
      Another food temptation this week puts the trainers to the test instead of the contestants. Should Bob, Kim or Jillian give in to the temptation, it will give their team a 15-second advantage in the physical challenge. The challenge consists of the contestants running up and down a hill to reach their team flag in the fastest time. However, there is one catch: the teams will have to outbid each other with a faster time in hopes that someone will wager lower and lose, which will end up knocking
    • 5. Surprise Getaway

      09 Oct '07
      Alison surprises all three teams with an exotic getaway vacation, but they soon learn that they will be faced with temptations and challenges unlike any they have faced at the campus. Later, after the weigh-in, those who lost will try to forge an alliance with the others before deciding who to vote off.
    • 6. Lively Beach Competition

      16 Oct '07
    • 7. Weigh-In Shocker

      23 Oct '07
    • 8. Most Emotional Elimination So Far of the Season

      30 Oct '07
    • 9. Biggest Losers Go Green

      06 Nov '07
    • 10. A Taste of Home

      13 Nov '07
    • 11. Memorable Makeovers

      20 Nov '07
    • 12. Viewers Choose the Challenge

      27 Nov '07
    • 13. A Slice of Temptation

      04 Dec '07
    • 14. Five Remaining Players Compete for Spot on Finale

      11 Dec '07
    • 15. "Biggest Loser" Revealed in Season Finale!

      18 Dec '07