The contestants participate in a dunk tank challenge in which the losing team faces a week without a trainer. A contestant is eliminated after a tense weigh-in.
The red and black teams compete in challenges involving medicine balls and a trampoline. The aqua team siblings return for a weigh-in.
The teams compete in a battering ram challenge to win rights to the gym. Bob and Dolvett struggle with contestants they believe can work harder.
The winning team of a water transfer challenge gets to have video chats with their loved ones. A player makes a shocking decision.