Expect the unexpected when Amy and Chris invite Matt and Caryn to dinner. Caryn buys Matt a new contraption to help recharge their relationship. As Zach prepares to break a powerlifting record, injuries and weight issues threaten his goal.

Zach and Tori dream of raising their family on the farm, but negotiations with Matt take a turn for the worse, and the two parties are left at odds. Amy and Chris look forward to life as a married couple, but Zach reveals a shocking family decision.

Lilah's birthday brings friends and family together, but everyone struggles with the new normal for Christmas now that Zach and Tori live in Battle Ground, WA. Nerves run high as Jackson undergoes leg surgery, and his recovery takes longer than expected.

It's not all rainbows when Matt visits Zach's new home for the first time. Meanwhile, Amy babysits Jackson as Chris adjusts to being a grandparent, and the entire family prepares for Lilah's second birthday. Also, Zach and Tori have a big announcement.

Pumpkin season is underway, but with things still tense between Matt and Zach, Zach and Tori skip it to focus on their move and on Jackson, who needs surgery for his bowed legs. Also, Chris gets off to a rocky start as a wagon tour guide.

As Jackson recovers from leg surgery, Zach, Tori and the kids celebrate the holidays in their own way. Amy and Matt throw separate holiday parties as the family tries to adjust to this new normal. A barn fire forces Matt to rethink his future on the farm.

Amy and Chris head to Arizona to visit Matt and Caryn! The fearsome foursome explore Sedona, go off-roading and get a little too close for comfort. Zach and Tori worry about getting Lilah to sleep in her big girl bed before baby number three arrives.

Matt comes to a big decision about the farmhouse that is sure to create a stir in the family, and Tori has some exciting news to share with Zach. Amy and Chris visit Zach and Tori to see Zach's new sandbox.

As Matt prepares to put the farmhouse up for sale, Amy and Chris contemplate what it could mean for the family. Zach and Tori take Jackson and Lilah on separate playdates to enjoy some one-on-one time before the new baby arrives.

Matt updates the family with news about Roloff Farms. When no one responds, Matt is left hoping that his relationship with Zach is not in jeopardy yet again. Amy confronts Matt about the conflict he's caused with the family.