![](https://image.tmdb.org/t/p/original/sPYqiKnMRPuctsalFLoRZLh1O1u.jpg)
![](https://image.tmdb.org/t/p/w342/x0K6dW4POXMrZyGd3zeS39qHdQP.jpg)
Week 12
The players have a chance to win immunity by becoming the first competitor to lose 2 percent of his or her body weight. Each person only has one chance to weigh in, however, adding a critical element of timing to the challenge. Later, the contestants hit the water for a race involving weights. Those who finish may help others complete the challenge.
![](https://image.tmdb.org/t/p/w300/nCwg3gaAbJQtS5ymQ6fetAmozYO.jpg)
![](https://image.tmdb.org/t/p/w300/ug6KltNAOee4di7vHL4FmK54y5.jpg)
![](https://image.tmdb.org/t/p/w300/aqlsLyHKZ8S4dA5GXq5EO3V87VR.jpg)
![](https://image.tmdb.org/t/p/w300/x2efl9lLP5kwM1j9wGLnNmrHu81.jpg)
Other episodes for this season
![Week One](https://image.tmdb.org/t/p/w300/nCwg3gaAbJQtS5ymQ6fetAmozYO.jpg)
![The Biggest Loser Season 9 - Week Two](https://image.tmdb.org/t/p/w300/nCwg3gaAbJQtS5ymQ6fetAmozYO.jpg)
![Week 3](https://image.tmdb.org/t/p/w300/nCwg3gaAbJQtS5ymQ6fetAmozYO.jpg)
![Season 9, Episode 4](https://image.tmdb.org/t/p/w300/dsB06tIQw08v5qf0vmUGR9uud1B.jpg)
![Season 9, Episode 5](https://image.tmdb.org/t/p/w300/ojLYjev6cFg45XHvdPkGeJXS4Bo.jpg)
![Season 9, Episode 6](https://image.tmdb.org/t/p/w300/nCwg3gaAbJQtS5ymQ6fetAmozYO.jpg)
![Season 9, Episode 7](https://image.tmdb.org/t/p/w300/byQlRKQrvbOwKWLsVtRwXzPsEMb.jpg)
![Season 9, Episode 8](https://image.tmdb.org/t/p/w300/nCwg3gaAbJQtS5ymQ6fetAmozYO.jpg)
![Season 9, Episode 9](https://image.tmdb.org/t/p/w300/nCwg3gaAbJQtS5ymQ6fetAmozYO.jpg)
![Week 10](https://image.tmdb.org/t/p/w300/nCwg3gaAbJQtS5ymQ6fetAmozYO.jpg)
![Season 9, Episode 11](https://image.tmdb.org/t/p/w300/nCwg3gaAbJQtS5ymQ6fetAmozYO.jpg)
![Week 12](https://image.tmdb.org/t/p/w300/sPYqiKnMRPuctsalFLoRZLh1O1u.jpg)
![Season 9, Episode 13](https://image.tmdb.org/t/p/w300/nCwg3gaAbJQtS5ymQ6fetAmozYO.jpg)
![Season 9, Episode 14](https://image.tmdb.org/t/p/w300/nCwg3gaAbJQtS5ymQ6fetAmozYO.jpg)
![Season 9, Episode 15](https://image.tmdb.org/t/p/w300/nCwg3gaAbJQtS5ymQ6fetAmozYO.jpg)
![Season 9, Episode 16](https://image.tmdb.org/t/p/w300/nCwg3gaAbJQtS5ymQ6fetAmozYO.jpg)
![Season 9, Episode 17](https://image.tmdb.org/t/p/w300/nCwg3gaAbJQtS5ymQ6fetAmozYO.jpg)
![Season 9, Episode 18](https://image.tmdb.org/t/p/w300/nCwg3gaAbJQtS5ymQ6fetAmozYO.jpg)
![Season 9 Finale](https://image.tmdb.org/t/p/w300/nCwg3gaAbJQtS5ymQ6fetAmozYO.jpg)