Janelle sees a therapist to discuss a sensitive matter involving her and one of the other wives. Meanwhile, Mykelti and Madison prepared to graduate from high school; and Dayton has surgery to repair an eyelid damaged in an ATV accident.

The Browns begin a road trip to meet another polygamist family. They check in on Christine's mother who has plans of moving to Vegas. Next, they visit their old home in Utah and are overwhelmed by past emotions. And Kody does something to upset one wife.

The blow up between Kody and Christine continues as they approach their final destination. Can Kody get to the root of the problem? Later, the Browns meet another polygamist family, the Colliers and discuss the idea of the Colliers courting another wife.

Christine’s two oldest daughters, Aspyn and Mykelti, are moving out, while her mother Annie is moving in! How will Kody handle having his mother-in-law around all the time? Later, Meri comforts Robyn about her ongoing struggles with her ex-husband.

The Browns have agreed to do something they have never done before -- allow total strangers to move into their houses! Two anthropology students will live with the Browns for several days to get an unfiltered look at their polygamist lifestyle.

The family recounts Robyn's journey as she joined the family and revisit the highlights of her first five years as Kody's fourth wife. Discussing everything from early jealousies to bad hairstyles, we go behind the scenes with the Browns' about Robyn

The Browns begin to worry about whether the anthropology students will see them as a healthy family or completely dysfunctional. And on top this stress, Meri makes a momentous decision that will change the Brown family forever

A look back at the major events Meri has gone through in the past before she makes a big decision that could change the Brown family forever.

Meri divorces Kody so that he can marry Robyn so he can adopt Robyn's oldest three children.

Kody and the wives sit down to discuss the recent season; no topic is off limits, including the unexpected development that everyone is talking about.