A surprise declaration of love occurs; the latest scandal explodes when the full extent of it is revealed.
The experiment culminates as the couples decide whether or not to continue their relationship after the experiment.
It's the reunion dinner party, so all the couples return for one final gathering and a chance to put any unfinished business to rest.
As a final session on the couch with the experts, the couples look back at their journey through the experiment.
Timothy and Jayden's feud ignites; Tori discovers an unlikely new adversary; one husband's list of dislikes about his wife shocks the group.