The players compete in a trampoline challenge to win the chance to exclude a contestant's weight from the weigh-in. Elsewhere, two eliminated players return for a chance to win a spot at the ranch, and personality clashes cause tension in the house.

One team must work out for a week without the guidance of their trainer, who secretly monitors his players to track their progress. The losing team is determined by a dunk-tank challenge, in which Bob and Dolvett are suspended over water and must rely on the contestants to keep them dry.

Two players visit home with their trainers in tow, and their weights alone count at the weigh-in. Elsewhere, the teams compete in an obstacle course in order to receive letters from loved ones for Valentine's Day; the players at the ranch must fend for themselves, though one contestant turns to nutritionist Rachel Beller for help preparing a special meal.