Matt and Amy's great expectations are realized when Molly is named valedictorian of her 8th grade class. But Amy has her hands full when Molly refuses to give a speech and picks a graduation dress that violates the school dress code.
Amy takes the kids to visit her family, the Knights, in Michigan. Amy's father, Gordon, takes his grandkids hiking in the woods but the idyllic scene turns to chaos when Jacob gets a tick, and no one seems to know how to get rid of it.
Amy and the kids continue their visit with her parents in Michigan. There, she takes the kids to see the house she grew up in. It's an emotional moment for Amy as she tearfully recalls her decision to leave Michigan to start a new life in Oregon.
The Roloffs travel to the Little People of American National Conference in Detroit, Michigan. It was at this event 22 years ago that Matt met Amy at a Motor City Micronauts basketball game - and Amy reunites the Micronauts for a celebration.
The Roloffs need to prepare for pumpkin season - but with the last wedding of the summer still demanding their attention, the entire family is scrambling! Matt suffers from intense shoulder pain, and rain threatens to put a damper on the couple's big day.
Amy realizes a longtime dream by taking her family on a riverboat cruise on the Mississippi River. Matt rushes home to take care of some urgent farm matters, leaving Amy and the kids wondering if he'll make it back before before the trip is over.
All is not well now that Matt is aboard the riverboat with the rest of the family for their summer cruise. Matt just wants to relax and hang out on the boat while Amy pushes the family to seek new adventures and make the most out of every vacation moment.
Matt embarks on his most ambitious farm attraction ever: a long, curvy bridge that slopes from the highest point on the farm down to the tree house. With all Matt's attention focused on the bridge, Amy worries that he'll forget their anniversary.
Ten years after he began building Molly's Castle, Matt is dead set on completing what's become his most drawn-out and costly farm attraction. Amy begrudgingly approves until Matt's budget on the project begins to swell.
When Matt's doctor says he'll need major spine surgery within 6 months, he decides to start checking items off his "bucket list". Against Amy's wishes, and despite his declining health, Matt takes Jeremy skiing.
Zach is in his final high school soccer season and due to his dwarfism, this could be his last chance to play competitively in an average height league. But when poor grades get him benched, Zach must scramble to improve them before the season ends.
As the twins' senior year of high school flies by, it's clear that Zach and Jeremy are not ready for higher education. Amy takes them to tour a local college, but the boys are way behind the curve in applying and getting accepted to a university.
It's Matt against the whole family as Amy encourages the kids' desire to have their friends over in their newly remodeled home. The result is chaos and clutter. Matt fights back by organizing the jumbled mess in the basement, which Amy uses for storage.
Amy goes to Florida where she's the keynote speaker at a charity fundraiser and golf tournament. While she's there, she volunteers at a relief organization and has an inspiring visit to a children's home.
When Matt plans a Caribbean sailing vacation on a week that Amy can't get off work, the scheduling conflict divides the family. Upset that it won't be a true family vacation without his mom, Zach leads the charge to mutiny against his dad.
Matt travels with Jeremy, Jacob, Papa Ron and two buddies to the beautiful British Virgin Islands for an adventurous sailboat cruise. But Matt's increasing lack of mobility leaves him on the sidelines while the other guys enjoy all the activities.
Zach takes the first step toward his aspirations of becoming a soccer coach when he leads Jacob's soccer camp. Taking control as coach proves to be a struggle and Zach wonders if he's got what it takes.
Mother's Day weekend is also the twins' 19th birthday, and Matt shocks everyone by announcing that he's going to Hawaii - alone. Feeling abandoned, Amy does her best to plan a fun camping trip for the kids.
When Molly risks losing her perfect 4.0 GPA when she fails a test. In an effort to master Spanish, she stops speaking English altogether. Meanwhile, the twins' visit to a local university seems pointless as their senior year grades continue to flounder.
Matt escorts the Salman family out of Baghdad into Washington, DC and on to Roloff Farms. The Iraqi family experiences a cultural whirlwind as they emigrate to America with the hope of finding freedom and getting life-saving surgeries for their children.
It's a Roloff family first as Matt, Amy and all the kids rough it on a Utah dude ranch. Cattle-drives and a fun poker game add to the excitement, and everyone waits to see whether or not Matt will get on a horse.
As Matt and Amy's relationship continues to deteriorate, Matt slips into mid-life crisis. His spending goes over the top and he buys two Mercedes sedans at a time when he's still paying off their big home remodel.
Zach and his dwarf athletic team "The Grasshogs" are favored to win this year's Dwarf Athletic Association of America (DAAA) soccer tournament. Zach must rise to the challenge in the championship match when the Grasshogs face a tough and talented team.
With their riverboat cruise finished, Matt heads home, leaving Amy in charge for the final days of the Roloff summer vacation. She does her best to keep the kids happy on their road trip through the South to New Orleans.
After a long vacation, Amy wants the family to give something back. She and the kids head to Biloxi, Mississippi where they learn firsthand how much work is still left to be done as they help build new houses and repair one damaged in the storm.
Zach and Jeremy are having a hard time balancing their social life with academics in their senior year. The twins help pack the house when their buddy's band performs at a local coffee shop, but they can't seem to cram in enough study time for the SAT.
Now that the twins are 18, Matt and Amy finally feel they can take a trip and leave them in charge - sort of. After giving the kids a long list of rules and stern warnings, Matt and Amy go to Hawaii with their friends, Rob and Amy Haines.
Upon turning 15, Molly focuses on getting her drivers permit. When a driving lesson from Jeremy ends with them running out of gas and a ride with Amy goes awry due to a near collision, Molly's driving career appears ill-fated. Will she pass the exam?
Jacob is excited when Amy takes him to Space Camp at the U.S. Space and Rocket Center in Huntsville, AL. Amy stays busy by touring local historic sites and learning about the contributions that Helen Keller and Rosa Parks made to our national legacy.
Still coping with the loss of his friend and business partner, Mike Detjen, Matt decides to complete their last big project together: the new and improved trebuchet. Matt hopes to finish it in honor of his late friend.
Expecting to break every attendance record, Matt makes big investments in preparation for the new pumpkin season. But when opening day brings just a handful of visitors, Matt wonders if he's made a huge mistake.
Pumpkin season gets underway, but when Zach has a near-catastrophic tractor accident on the same day that Jeremy is promoted to tractor supervisor, tensions build between the twins. Meanwhile, a giant tortoise named Ferdinand escapes the new petting zoo.
This pumpkin season turns out to be the biggest ever for Roloff Farms. Facing capacity crowds, Matt tries to supervise his oversized and inexperienced staff, and finds that his micro-managing only serves to create more stress for everyone - especially him