第 12 季 共 14 集
播出时间：2018年1月8日
第 1 集 Meri Moving?
播出时间：2018年1月8日
The Browns meet with Tony's family and Meri travels to Utah for a potential business venture.
第 2 集 Groomzilla
播出时间：2018年1月15日
Mykelti, her moms and her fiancé Tony go wedding dress shopping and he's very opinionated! Then, the Sister Wives go see the bed and breakfast Meri wants to buy in Utah, but worry it will pull her away.
第 3 集 I Will Survive
播出时间：2018年1月22日
It's Mykelti's bridal shower, but Janelle's terrified of performing with the Sister Wives. Christine gets emotional as she cuts up her wedding dress to make cloth flowers for Mykelti's bouquet, and Maddie shares some big news.
第 4 集 Meri's Crazy Idea
播出时间：2018年1月29日
Meri has big news about the bed and breakfast she wants to buy, but it's definitely not what the Browns were expecting. Then, Mykelti's wedding rehearsal doesn't go quite as smoothly as planned.
第 5 集 PolygaMexicamist Wedding
播出时间：2018年2月12日
Mykelti's polygamist family ties the knot with Tony's Mexican Catholic family through a one-of-a-kind winter wedding! It's freezing cold. Christine forgets to bring Kody's shirts. And they even beat bride and groom piñatas!
第 6 集 Meeting Mariah's Girlfriend
播出时间：2018年2月19日
Mariah and her girlfriend are going to the March for Women in Washington, DC. She invites Meri and Janelle to go, too, but Kody doesn't like the idea.
第 7 集 Risking Arrest
播出时间：2018年2月26日
The Browns are distraught that the Utah legislature is voting to strengthen the laws against polygamy. Friends are planning a protest march, but if the Browns go back to Utah they could be arrested.
第 8 集 The Truth Comes Out
播出时间：2018年3月5日
Janelle's house is all joy as Maddie has her baby shower. But Christine is devastated when Ysabel's x-rays show that her scoliosis is worsening and surgery is imminent. In desperation they turn to unproven alternative treatments.
第 9 集 The Longest Labor
播出时间：2018年3月12日
Meri takes Kody to check out the B&B she wants to buy, and Janelle's daughter, Maddie, goes into labor. She's doing a home birth with no epidural and it's a long and painful birth.
第 10 集 Confronting Meri
播出时间：2018年3月19日
Tensions emerge as Meri finds out that all the wives were at the birth of the grandchild, except her. Intense therapy sessions fail to resolve the hurt, so Christine confronts Meri with some brutal truths.
第 11 集 Game Night!
播出时间：2018年3月26日
It's game night at the Browns and it's about to get a little crazy. The family gets competitive as Mykelti and Gwendlyn host Sister Wives trivia. There's punishments for the losers, so the stakes are high!
第 12 集 Tell All: Part 1
播出时间：2018年3月26日
In part one of Sister Wives Tell All, nothing is off limits as the Browns discuss this season's jaw-dropping moments. Has Meri's dream of buying a B&B driven the family even further apart? With Utah's tough new polygamy law, can the Browns ever go home?
第 13 集 Tell All: Part 2
播出时间：2018年4月2日
In the dramatic conclusion of Sister Wives Tell All, Paedon reveals why he refused to join the rest of the family to protest Utah's new polygamy law, and the adults discuss how Kody and Meri's marriage is affecting the family.
第 14 集 Polygamy 101
播出时间：2018年4月2日
The Sister Wives still get asked a ton of questions about polygamy. How do they feel about their kids not wanting to be polygamists? Do some polygamists sleep in the same bed? Their answers are funny, emotional and often shocking.
