Watch The Biggest Loser Season 12 Episode 4

Watch The Biggest Loser Season 12 Episode 4 Online. The contenders of the Biggest Loser will never back down in any challenge that will be laid before them. The Biggest Loser Season 12 Episode 4 will air on NBC at 8/7c on Tuesday, October 11, 2011. See the player who was trying to conquer his fears during a pool exercise.