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.

The Browns take the first walk-throughs of their four adjacent homes. The family business continues to struggle, creating tension among the wives. Robyn asks Meri about her surrogacy offer.

Snags in the building process threaten to ruin the Brown's dream of being in all four houses by Christmas. Aspyn and Mariah discuss college plans. One wife considers jump ship on the family business.

On Mother's Day, Kody is visited by all nine of his. Meanwhile, the wives discuss college costs.

The Browns answer viewer questions. What do the teens really think of the family dress code? Which mom is the strictest? Get all the behind-the-scenes details in this special episode of Sister Wives.

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.

The sister wives face anti-polygamists in a public forum.

Since leaving Utah, the wives have settled into separate lives. Janelle continues her weight-loss battle. Robyn fights to keep the family business afloat. Meri works to repair her relationship with Mariah and Christine rethinks her career.

The Browns celebrate Christmas a week later to give everyone time to move into the new houses. Kody challenges his wives to a contest. Robyn has a special gift for Kody.

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.

With builders putting the finishing touches on their new homes, closing on their mortgages remains a major hurdle for all four wives.

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.