The Bellas head to Napa to see their newly purchased homes for the first time. Nicole struggles to tell Artem about her postpartum depression. Brie gets pushy with the rest of the Bella family. With the help of JJ, Brie tries to bring some Brie-mode back into Nicole's life

With Artem back on "Dancing With The Stars," Nicole starts to crack under the pressure of raising Matteo on her own. Nicole and Brie break the news to Kathy about their move to Napa. Brie pushes Nicole and JJ to put an end to their family feud.

The Bella family prepares to welcome its two newest members. While Nicole struggles through an intense labor, Brie holds out hope for a natural childbirth. Brie, Nicole, Bryan, and Artem share all the intimate and surprising moments from their childbirths.

The Bella family is shocked to learn that Kathy must undergo a risky, emergency brain surgery. With their due dates fast approaching, Brie and Nicole announce some surprising plans for the future. The Bella pregnancy journey nears the finish line as one of the twins goes into labor.

Nicole and Artem attempt to change their birthing plan so they can have their baby in Phoenix, but that ends up complicating things for the entire Bella family. Brie worries about how she'll deal with a new baby once Bryan goes back on the road.

The Bella babymoon in Flagstaff comes to an end. Brie and Nicole disagree with their mom on who should be invited to their baby shower. Nicole's sexual frustration causes her to act out in surprising ways, including shocking Artem with her pregnant backyard skinny-dipping.

The Bella family packs up and heads to Flagstaff for an eventful Bella babymoon. Brie and the rest of the family are alarmed to learn that Nicole and Artem still haven't made decisions about their future regarding baby Matteo. Nicole and Brie attempt to connect with Kathy about some of her issues. Bryan and Artem stir up trouble in the woods.

Brie pushes a reluctant Nicole to resolve lingering tensions with the rest of the family. Nicole grows uncomfortable after Artem starts spending too much time with her mom, Kathy. Brie is reminded of the difficult birth she had with Birdie and worries about what's in store with her next child.

Nicole and Brie's dream of sharing their twin pregnancies hits a major snag. The release of the Bella's memoir, "Incomparable," forces Nicole to open up about past sexual assaults. Brie and Bryan worry that Nicole and Artem aren't ready to be parents.