Meet the Browns, a seemingly regular family on the outside, but with a twist once you step inside their home. We also learn this extraordinary family is on the verge of another huge change that could transform the family's dynamic forever.
Kody heads south to court his potential fourth wife, Robyn. Meanwhile back home, the wives express their true feelings about their new possible sister wife as they make preparations for Christine's new baby.
As the wedding day nears, the three wives help fiancée Robyn pick a wedding dress, a cake, and a venue for their unique polygamist wedding reception. Meanwhile, it's Janelle's birthday and Kody has a special trip planned just for the two of them.
The big day is finally here! Follow Kody and his wives as they make Robyn officially wife number four. See this extraordinary family as they celebrate the newest additions to their family and prepare to embark on a new chapter in their lives.
The Sister Wives are buzzing with excitement as Robyn's first contractions finally kick in. But not everyone is happy about it. The emotion builds as each of the Browns face their true feelings about Robyn's family becoming their own.