The parents' tests continue with explosive and unpredictable results. After Laurelle had Codie Lea sit a lie detector test, Codie Lea turned the tables and asks Laurelle do her own lie detector test.

In the final parental test, Milly's mum Catherine needs proof Micah has changed his pot smoking ways. Couples' therapy focuses on sex and intimacy with one couple candidly sharing their bedroom issues

In this episode, the couples open up about their sex lives during the dinner party. Nathan surprises the group when sharing details of one of Codie Lea's party tricks.