Biggest Loser US Season 13 Episode 11 Episode 11
- February 12, 2012
- 60 min
The excuse of the week is "I'm Stuck In My Comfort Zone." Alison tells the contestants that they will switch trainers for the week to get them out of their comfort zone. For the challenge, Alison takes the contestants to a mud pit. Each team has 40 weights to get out of the mud.