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.

The Browns are making a time capsule, and everybody is contributing to it. See what the family puts inside!

In this TLC Digital Exclusive video, Janelle Brown and her trainer, Sean Huddleston, share with us the very basic exercises Janelle started with in her quest to be more healthy and fit. And it all begins with training her body for better posture.

See more Sister Wives on TLC

Meri wants to buy a Bed & Breakfast that her great grandfather built in Parowan, Utah, but the family has mixed feelings about it..especially Kody.

Ariella Mae Brown was born to Robyn and Kody Brown on Sunday, January 10th.

Meri and Kody begin to discuss some of their deepest relationship struggles.

Who has the most accurate shot when handling the largest handgun that can legally be fired?

The family helps Mykelti and Tony pick out a cake for their wedding.

Get a first look at this weeks episode of Sister Wives. New episodes air Sundays at 9|10 c.

Competition heats up during a trip to the bowling alley.

Janelle Brown and her trainer, Sean Huddleston, share with us the hip thrust exercises she learned to help strengthen and stabilize her core.

Kody voices his concerns over his daughter's relationship plans.

The wives have a special day planned for Kody's birthday. Find out what surprises the family has in store for the big day.

The pixies, five of the Brown's younger daughters, and their son Gabe, a.k.a. Peter Pan., have finally found a place to call home.

Kody and Tony have a rather uncomfortable talk, as things grow serious with Tony and daughter Mykelti.

Twenty-four people strong, the entire Brown family goes grocery shopping.