Sister Wives: Season 4

It's the Browns' first Christmas in Vegas and the wives are separated in four rental homes. Desperate to get the family back together, Kody has his hands full chopping down a Christmas tree and finding the home that will bring them all together again.

Date Night is important in a plural marriage and Kody needs to bring his A-game to keep his wives happy. From hitting the slopes to releasing pent up aggression shooting paintballs, all four wives are expecting Kody to bring the magic and some romance.

As the Sister Wives prepare for Kody's birthday, Christine tries to reconcile with Robyn by opening up about the problems she's had since Robyn joined the family.

Everyone has questions about polygamy. Today, the Browns answer the toughest questions submitted by viewers. From contraception and gay children to Kody's favorite and least favorite traits of each wife, nothing is held back.

The Browns apply for separate mortgages as they dream of getting their family into adjacent homes. Meanwhile, Janelle is still determined to open a gym. Later, Meri discloses the details of her past fertility problems.

The family buries a time capsule to symbolize putting down roots. The Browns hold their first church service since moving in. Robyn reveals a shocking secret from her past.

Kody ditches his four wives for his three brothers as they hit up the city of sin. They're cruising on motorcycles, hanging out at a biker bar and shooting guns.

To move forward with their new life, the Brown’s burn the bag Kody used daily to go between each house. Janelle hits a plateau with her weight loss. Kody and Meri make a decision on Robyn's surrogacy offer.

Kody makes good on his promise to Meri, escaping to Mexico for a romantic getaway. They climb ancient temples and swim with dolphins but, despite all the romance, the conversation turns serious when Kody asks Meri about Robyn's offer of surrogacy.

Kody and his four wives travel to a couples retreat to tackle their relationship issues head on. After a meditation session that barely eases the emotional stress, Browns finally make a discovery on the root cause of their internal conflicts.

As high school graduation nears, Logan finally decides which college he will attend. Meanwhile, Kody and the wives are on the verge of fulfilling their dream of bringing the family back together.

Kody rekindles a bro-mance with his old friend Brett. Meri's panic about her future empty nest grows as Mariah's graduation approaches.

The Browns throw a party to celebrate Mariah and Aspyn's graduation from high school, but Meri has a hard time thinking about Mariah leaving for college. Meanwhile, a fortune teller sees a fifth wife in Kody's future.

The wives take a road trip to San Francisco, where they work on their relationships by shopping for dresses for their commitment celebration. Meanwhile, Kody stays at home with all 17 kids.

Truely becomes seriously ill and requires immediate hospitalization, which puts Mariah's farewell party on the back burner.

Another family tragedy, the second in two months, interrupts the Browns' efforts to plan a party for their commitment celebration.

A dress rehearsal goes awry when the Browns are getting ready for their commitment celebration, and Kody and his wives wonder if all their hard work and planning will pay off.

After months of planning there’s just 48 hours to go; the dresses are not ready, the lights are not strung, and 200+ guests are on their way. A surprise organized by the teenagers caps a unique event; a celebration of four marriages in one giant family.