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.

Meri opens up about how difficult it was for her to accept that Janelle had become pregnant before her.

Kody and the Sister Wives gave us the latest details and plans for Maddie's special day.

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

Kody is taken back when Tony and Mykelti reveal that they plan on inviting over 500 people to their wedding.

Maddie and Caleb's big day is finally here.

Kody and Meri finally start to dig into the issues that played a major role in Meri being vulnerable to a catfisher.

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Kody's first wife opens up about where she is in her life.

The new baby will be here soon, and everybody is excited. But when is the perfect time for the baby to arrive?

Maddie and Caleb announce that they’re expecting their first child, and share what they’re most excited about.

Madison has a big announcement for her parents and Christine.

Robyn Brown shows us around her new home in Las Vegas. Check out her favorite features of her new home, including a patio for the whole family to enjoy!

Truely puts on an adorable show for the family.

What's Janelle Brown's favorite room of her new house? She'll show you in this exclusive tour of her new home.

Christine Brown gives an exclusive tour of her new digs in Las Vegas.

Janelle Brown lets us in on something incredibly personal -- the "motivation cards" she created to commit herself to her weight loss goals.