Sam begins to date his colonic hydrotherapist only to realize he is jealous of the woman's other clients. Billie goes to visit her family and friends, but must deal with her father who always puts pressure on her to stay thin. Dan becomes so frustrated with his wife Amy, he pays a visit to an S&M submissive.

Billie introduces her newest girlfried to her parents. Sam decides to try becoming a Vegan and Dan finally decides to get serious about having his gastric bypass surgery.