It's a new era for the Roloffs. As the family gathers to learn the gender of Zach & Tori's baby, both Matt and Amy navigate romantic relationships post-divorce, while Jeremy & Audrey ponder where to put down roots.

Jeremy & Audrey surprise the family with big news! To escape home nesting renovations, Zach & Tori leave town for a "babymoon" weekend. Amy & Chris face a potential bump in their relationship during a getaway. Matt & Caryn balance dating and work.

Amy struggles to define her relationship with Chris after 6 months together. Zach realizes he needs a new job to support his family, but he's skeptical when Matt offers a solution. Jeremy & Audrey are running out of time to make a big life decision.

Jeremy and Audrey want a low-key gender reveal party, but family tensions may interfere. Zach's serious illness hits home all the hardships his child may face in the future. Amy pursues a different business venture, and Matt tackles a BIG project.

On the eve of their baby shower, Tori & Zach find out whether or not their son has dwarfism. Jeremy & Audrey face a new hurdle after finding their dream home. Matt helps with the nursery, Amy & Chris have a serious talk about their size difference.

Despite their fears, Tori and Zach must face the reality that she may need a C-section. Jeremy and Audrey are nervous as they try to finalize the purchase of their dream home. Amy and Matt prepare to become grandparents in their own special ways.

With less than 2 weeks to go before their baby is born Zach & Tori have scheduled their C-section, but baby could come at any moment! And Zach's recent health episodes place added concern on the soon to be parents.

The countdown begins for the birth of Zach & Tori's baby boy! Jeremy & Audrey are stressed but happy to finish their big Portland move. While Amy & Matt's separate romances continue to grow, they are hopeful for a civil & fun future as grandparents.