The Biggest Loser Season 13 Episode 4
Week 4
The teams compete for exclusive use of the gym during a battering-ram challenge. Bob and Dolvett, meanwhile, try to get through to contestants they feel aren't putting in enough effort to shed pounds.
13 - 18Week 18 - FinaleMay. 01, 2012- 13 - 17Week 17Apr. 24, 2012
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- 13 - 14Week 14Apr. 03, 2012
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- 13 - 5Week 5Jan. 31, 2012
- 13 - 4Week 4Jan. 24, 2012
- 13 - 3Week 3Jan. 17, 2012
- 13 - 2Week 2Jan. 10, 2012
- 13 - 1Week 1Jan. 03, 2012
