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 discuss the ethics of working with people who don't share their religious beliefs.

The Brown's visit the Zoo.

The Browns must stand their ground at a debate with outspoken anti-polygamists with Christine's estranged aunt as one of them. Watch Sister Wives on TLC.

The wives sit down for a alternate perspective on polygamy.

The Browns throw a party for the two girls, featuring what may be the very first "polygamist flash mob".

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

Christine's daughter Mykelti brings a boyfriend home.

Ever wondered how Janelle came to be married to Kody Brown on TLC's "Sister Wives"? Catch up on Janelle's story in this online exclusive video!

The Browns get a scare when Truely falls ill.

With builders putting the finishing touches on their new homes, one major hurdle still remains for all of them -- closing on their mortgages? Will all four wives be able to afford their new home or will one of them be left with tears of disappoin ...

Janelle must deal with growing teenage boys when Kody is away.

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

Tensions run high when the Browns must stand their ground at a debate with outspoken anti-polygamists with Christine's estranged aunt as one of them. Later, Meri and Kody receive some financial news that could affect Mariah's college plans.

Ever wondered how Robyn came to be married to Kody Brown on TLC's "Sister Wives"? Catch up on Robyn's story in this online exclusive video!

On a Mormon mission, Kody met friend, Brett. But as Kody turned toward Mormon Fundamentalism, Brett turned away. Now Kody and Brett are ready to rekindle their friendship.

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