Zach and Tori are shocked by news about their unborn daughter. Meanwhile, Jackson tries sleeping in his own bed for the first time and Amy gets frustrated.

Amy and Chris are officially engaged; the nerves set in when it comes time for Amy to tell Matt that she's engaged; Zach is shocked about the news of his mom's engagement and can't believe that she forgot one request.

Zach and Tori make final preparations for baby Lilah's arrival; Matt and Caryn prepare to babysit Jackson; Amy is in a cooking frenzy preparing meals for Tori's post-C-section recovery. Then, everyone scrambles when Tori goes into labor unexpectedly.

Matt has planned a major surprise for the holiday party. Amy is feeling the pressure of planning a wedding with little time and while undecided on the venue. Zach and Tori fear there will be endless drama if Amy and Chris get married at Roloff Farms.

Amy has big news on her house search but grapples with the reality of finally moving off the farm; it's the end of an era as the treehouse has to come down.

Matt holds an auction to help clean up the farm. Amy is closer to becoming a homeowner and Chris plans to surprise her at their anniversary dinner with a big question!

It's another pumpkin season at Roloff Farms, but when Amy decides to take a step back, the Roloffs realize it may never be the same again. Amy and Chris host a 1980s throwback prom, but Amy struggles when sad news upends her life.

Jackson meets baby Lilah, and everyone is surprised by his reaction. Tori struggles with her recovery from the c section.

Zach contemplates his future on the farm as pumpkin season comes to a close, and the parental roller coaster continues as he and Tori deal with Lilah's eye issue. Amy and Chris host soup night and share some big news, and Caryn also has big news to share!

Chris makes a major move as he and Amy finally make an important decision regarding their wedding; Zach and Tori celebrate the 10-year anniversary of their first date as Matt and Caryn babysit the kids.

Wedding planning gets real for Amy and Chris, but they may not be on the same page. Zach contemplates living on the farm and all that entails. Amy and Chris' housewarming party has some unexpected twists -- especially when Matt and Caryn show up.

Zach and Tori stress over medical issues their kids are facing, Matt worries about the fate of pumpkin season, and Chris drops a bomb that he isn't willing to move in with Amy yet.

Zach and Tori have concerns about Jackson's bowing legs. Chris tells Amy that she must make room for him in the house if she hopes to set a wedding date. Matt finishes his "treasure capsule" sandbox.

Zach and Tori take Jackson on a playdate that spins out of control. Amy and Chris have decided to get married on Roloff Farms, but Matt and Chris' budding bromance may cause tension for Amy. Matt has big ideas for Caryn's new house.

It's Valentine's Day, and Chris and Amy reminisce about their relationship as they get closer to their wedding date; Matt makes a big mistake in readying the farm for Amy's summer wedding; Zach and Tori have a huge secret.

Tensions arise when Matt invites Amy and Chris over to Caryn's house. Amy and Chris butt heads when Chris decides he wants to be more in charge of the wedding prep. As Zach and Tori adjust to pregnant life again, Jackson struggles when he starts school.

2020 brings challenges for the Roloffs that could derail pumpkin season. Matt hopes Zach can take on more duties, but they butt heads while trying to work together. Meanwhile, Amy struggles to deal with her new role as employee rather than owner.

Parental demands push Zach and Tori to the brink. As Zach removes himself from another pumpkin season, Matt approaches Amy and Chris for help. With the farm sale stalled, Matt considers a daring plan B.

Matt offers Amy a new buyout offer for the farm, and she grapples with the emotional ties she still has to the place. Zach and Tori take Jackson and Lilah for a swim. The Tower of Terror gets demolished as one chapter of the farm comes to an end.

Chris adjusts to a more chaotic living environment than he's used to but pushes back on aspects of the wedding planning, leaving Amy frustrated; Zach and Tori share devastating news that rocks the whole family.

The boys give Amy a hard time when Matt joins in on a farm scout with Chris and friends. It's the unveiling of the log cabin, and Matt invites the family to attend for campfire fun! Zach takes Jackson on his first farm camping trip.

Matt comes to a realization about his family when he spends time with his mother in Arizona. Josiah's sleep schedule puts a strain on Zach and Tori's marriage. Amy makes a decision about her involvement in pumpkin season.

Zach, Tori and the kids adjust to life with a newborn. Chris comes to a revelation about his past decisions. Matt and Caryn open up to friends about their strained relationship with Zach and Tori.

Things get real when it's finally time for Amy to shop for a wedding dress! Matt preps for the big day while Amy's friends still worry that getting married on the farm may come with some unwanted surprises.

An unfortunate interaction with Chris forces Amy to think about her past. Then, naughty secrets are revealed when Matt hosts a barbecue for old friends, and Zach and Tori find themselves at a crossroads with Matt and Caryn.