The Biggest Loser Season 13 Episode 4

The Biggest Loser Season 13 Episode 4 airs Tuesday January 24 on NBC at 8 pm.

Episode Synopsis: The stakes are high this week as the red and black teams compete in a fierce battering ram challenge that will give one team exclusive rights to the gym, while the losing team has to find other creative ways to burn calories. Both trainers – Bob Harper and Dolvett Quince – struggle with certain contestants who they feel aren’t giving it their all, making it tougher for both teams to get the weigh-in win each one wants. Alison Sweeney hosts the series.

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