September 11, 2007 • 1h 30m
The contestants start off their weight-loss journey by being dropped off in the middle of the desert, while their trainers standby...Read more
September 18, 2007 • 1h 30m
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...Read more
September 25, 2007 • 1h 30m
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 ...Read more
October 2, 2007 • 1h 30m
Another food temptation this week puts the trainers to the test instead of the contestants. Should Bob, Kim or Jillian give in to ...Read more
October 9, 2007 • 1h 30m
Alison surprises all three teams with an exotic getaway vacation, but they soon learn that they will be faced with temptations and...Read more
October 16, 2007 • 1h 30m
Episode 6 of Season 4 premiered on October 16, 2007
October 23, 2007 • 1h 30m
Episode 7 of Season 4 premiered on October 23, 2007
October 30, 2007 • 1h 30m
Episode 8 of Season 4 premiered on October 30, 2007
November 6, 2007 • 1h 30m
Episode 9 of Season 4 premiered on November 6, 2007
November 13, 2007 • 1h 30m
Episode 10 of Season 4 premiered on November 13, 2007
November 20, 2007 • 1h 30m
Episode 11 of Season 4 premiered on November 20, 2007
November 27, 2007 • 1h 30m
Episode 12 of Season 4 premiered on November 27, 2007
December 4, 2007 • 1h 30m
Episode 13 of Season 4 premiered on December 4, 2007
December 11, 2007 • 1h 30m
Episode 14 of Season 4 premiered on December 11, 2007
December 18, 2007 • 1h 30m
Episode 15 of Season 4 premiered on December 18, 2007