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.

Kody and his teenage daughters throw a birthday party for his new fiancée, Robyn. Meanwhile, 1st wife Meri struggles with feelings of jealousy as the whole Brown clan moves Robyn and her anxious kids closer to the family home.

Kody's fiancée Robyn helps out with the kids while Kody and his pregnant third wife Christine go to the hospital. A week overdue, they must make an important decision on whether or not to induce labor.

While the three wives buy a friendship ring for Kody's fiancée Robyn, Kody prepares to celebrate his 20th Anniversary with his first wife, Meri. But when nothing goes as planned, will Kody end up in the dog house?

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.

NBC's Natalie Morales sits down with the Browns from TLC's smash hit "Sister Wives" for a candid discussion about love, marriage, jealousy and what the future may hold.

Kody and new wife Robyn are off on their honeymoon spending time surfing and visiting a nearby zoo. Meanwhile Meri, Janelle and Christine stay back home with the kids, but will they have a hard time coping while Kody is away?

As the Browns are busy prepping for Madison's wedding, Mykelti drops a bomb of her own. And while Kody tries to mend fences between Meri and Mariah, he realizes that his own relationship with his first wife is still in a shambles.

Madison and Mykelti are in a race to the altar. And Kody tries to convince Mariah to forgive Meri for the catfishing incident.

Madison lays out the plans for her wedding. Janelle and Meri's therapist pushes them to take a terrifying next step in their struggling relationship, and the biggest news of all; and the Brown's family may be growing again after a special proposal.

This is not your average polygamist bridal shower. A windstorm wreaks havoc, Madison receives the embarrassing gifts her mother dreaded, and wedding preparations go awry.

It's the week before Maddie's wedding and Mykelti and Tony are announcing their engagement! The whole family has to get to Wyoming, and when the mother of the bride, Janelle, talks about going fishing in the nearby river, Maddie melts down.

Madison Brown is getting married! This is the first wedding of all the Sister Wives’ children and it’s absolutely stunning.

Relive special moments from three Brown family weddings. Robyn and Kody get married as the other wives help celebrate. The entire family takes part in a commitment ceremony. Plus, Kody and Janelle's daughter Maddie says "I do", at the wedding altar.