The fitness trainers run an obstacle course during which they are judged on endurance, form and speed; the trainers begin creating their own 20-minute workouts; the women spring a surprise on the men; romance blossoms.

Surprise guests teach the trainers how to lead a live class, focusing on choreography, musicality and cuing; a shocking announcement puts everyone on edge.

The trainers are divided into teams and judged on performance, personality and presentation during a challenge; the stakes are high as the winning team's workout will be featured on Beachbody On Demand.