Tensions fly when the Browns hit the road for their Spring Break trip along historic Route 66.

Kody is frustrated about his role in the decision making process of the family. Do the wives agree that he is not in charge?

The Brown family from TLC's "Sister Wives" give their opinions on the best parts of a polygamist marriage.

Maddie explains her dating do's and don'ts and why polygamy is not in her future.

The Browns from TLC's "Sister Wives" share their thoughts on their kids following the polygamist lifestyle.

The Browns from TLC's "Sister Wives" talk about the similarities and differences between monogamist and polygamist marriages.

The Browns reach the last stop on their road trip, as they meet the Richards, a Christian polygamist family.

The "Sister Wives" and Kody share their thoughts on how to make a polygamist marriage work.

Sometimes when you're in a rush it's easy to lose track of the children. This goes for any parents. With so many kids Cody says he sometimes has take take a note from the farming handbook and count the kids like cattle.

Christine's daughter Mykelti brings a boyfriend home.

The wives explain the definition of plural monogamy. They prefer to be more of a cohesive family unit. While it does take work, they are willing to commit to a life together.

The Browns get a scare when Truely falls ill.

Mariah has a special memory of Kody's dad Winn who passed away recently.

Kody's first wife Meri tells him she's going back to college now that their daughter is away at school.

The Browns go to San Francisco, and the sister wives do some shopping.

During the ceremony several of the children get choked up when saying what they are thankful for, many of them have learned valuable lessons from their parents.

Sometimes when you're in a rush it's easy to lose track of the children. This goes for any parents. With so many kids Cody says he sometimes has take take a note from the farming handbook and count the kids like cattle.

Madison announces her engagement to the family

There is stress surrounding Maddie’s wedding dress because she has lost so much weight and it simple doesn't fit.

The wives explain the definition of plural monogamy. They prefer to be more of a cohesive family unit. While it does take work, they are willing to commit to a life together.

During the ceremony several of the children get choked up when saying what they are thankful for, many of them have learned valuable lessons from their parents.

Kody and his wives try to figure out what this decision means for polygamists moving forward.

Paedon recounts his difficult transition from Utah to Las Vegas when his parents ask him if he would like to go to the polygamy march.

Garrison tells his Janelle and Kody that he'd like to go into the National Guard but Kody has other ideas.

Maddie’s bridal party is brought to tears as she gets ready to walk down the aisle.

With the children beginning to get married, combining families will be the new norm for the Brown family.

Mykelti gets a job at a pawn shop and Christine and Kody come pay her a visit.

After three months of dating, Mariah brings Audrey back home again to spend some quality time with the family.

Kody and Christine take Ysabel to start an alternative medicine program in which she will try to use different exercises to gradually decrease her spinal curve.

Robyn's baby shower turns out to be one to remember!

On the day of the wedding, Kody informs Maddie that he has not even started the vows that he will say during the ceremony.

What about chores? Thirteen sets of hands are better than one! Drill sergeant Kody explains how the duties are divvied up.