The white team is reeling as Nathan is eliminated at the latest weigh-in, he the third member who the team has lost in only two weeks, with theirs being the only team that is no longer at the full complement of five. Alison gives the teams a trivia test on childhood obesity, the losing team which is given what they consider the worst punishment: having to spend four and a half hours every day this week locked in a typical childhood obesity room filled with junk food, televisions and video games. As that time takes away from their workout time, the trainer of the eventual losing team is determined to make the best out of this bad situation. Two contestants on two different teams have a bad week mentally, while another decides at least temporarily to switch trainers to get a different perspective both on workouts and the emotional cause behind her weight gain. The three childhood obesity participants, at home this week, are visited by "Dr. Joanna" who gives them and their families ...