Matt has big plans for the future of the farm, but he'll need to get everyone on board; Amy gets cozy with Chris after a romantic date; Zach and Tori deliver unforgettable news to the family.

Zach and Jeremy confront Amy about her dating life; tired of his living situation, Matt dreams up something for the farm; Amy plans a birthday boat ride with friends; Jeremy surprises Audrey for their second anniversary.

Amy shocks the kids when she gets picked up on a motorcycle for a date with her new man; Amy feels Matt's frivolous spending habits for farm toys are getting out of hand; Zach takes on his biggest home improvement project yet.

Matt announces shocking plans to build a fully-equipped doomsday bunker with space for the entire family, but surviving an overnight trial run locked together could be a disaster of its own.

Amy pursues her longtime dream of opening a bed and breakfast on the farm; Matt's surgery propels him to pursue his own dream of writing an inspirational children's book.

Amy continues to dive into the dating world and plans a pool party with single friends; Matt wants to install surveillance cameras around the farm; the family tries to come together peacefully for a game night.

Matt is home from the hospital, but his relief is short lived when he discovers a problem on the farm that could destroy pumpkin season; Zach and Tori plan a wedding anniversary trip; Amy takes a big step forward when she attends a singles mixer.

Matt enters the operating room for his risky spinal surgery, leaving Amy to manage Roloff Farms on her own. As the two struggle in their own worlds, the entire family faces another devastating blow they never saw coming.