The contestants test their nutritional understanding before competing in an endurance challenge. Meanwhile, an inspirational "Wall of Glory" reminds them of their athletic days and provides motivation to work harder at the gym.
Sarah and Zeek head to Las Vegas to celebrate Zeek's birthday as the sixth season opens. Elsewhere, Amber deals with adulthood and new life changes; and Adam and Kristina face the pressure of having their charter school ready in time for opening.
Andy Samberg; Emily VanCamp; Roy Wood Jr.
Corey Stoll; Shane Dawson and Anna Martemucci; the Birds of Satan.