Josie celebrates her 18th birthday, Bobby picks out an engagement ring for Tori in Florida, and Evan puts his courtship proposal plan for Carlin in place.
Michaella and Brandon move out of their apartment into a new house, so Kelly Jo and Erin come down to Chicago to help decorate, but there are some disagreements along the way. Chad give his job to Bobby for when he finally moves up to Tennessee.
The Bates family is excited for the solar eclipse and Brandon gives the younger Bates kids a teaching lesson about the eclipse,. Brandon and Michaella go to Dr. Vick for answers about Michaella's infertility.
Erin reveals she is pregnant with baby number 3, Whitney is balancing a new career and motherhood, and Trace practices for his college basketball tryouts with his friends.
Tori is anxious for Bobby to pop the question, Carlin, Tori, and Josie go on a triple date with Evan, Bobby, and Kelton, and Bobby put his marriage proposal for Tori into motion.
Tori and Bobby decide to move up their wedding date, the Bates boys head out to the lake to celebrate Nathan's birthday, and Tori goes shopping for a wedding dress shopping.
Kelly Jo puts together a team to plan Tori and Bobby's wedding, Tori wants a winter wonderland wedding, and Isaiah turns 13 and celebrates by playing laser tag with the family.
The Bates family has a picnic, where Alyssa reveals she is pregnant with baby number 3; Kelly Jo and Tori take the bridal party to Renee's dress shop so they can try on customly-made bridesmaid dresses.
Everybody's renovating: Chad works on a fixer-upper, Erin starts inputting on interior decorating, and Zach and Whitney buy a fixer upper for them and their children to live in.
Gil takes a Tori out for a special father-daughter outing before the wedding; The family hosts a wedding shower for Bobby and Tori; Cosmetologist bound Josie gives Kaci Lynn her first haircut.
Kelly Jo and the sisters take Tori on bachelorette beach vacation, while Bobby and the younger Bates boys move Bobby stuff out the trailer and into an apartment.
The Bates head to Thanksgiving at Papa Bill and Mama Jane's house; while there Josie and Kelton ask Kelly Jo and Gil for the green-light to officially court sometime in the near future.
Tori has her final wedding dress fitting; Carlin helps Tori with her hairstyle for the wedding; Gil and the boys work on the tree decor for the wedding.
Kelly Jo and Gil discuss how to be there for the births of both Erin and Alyssa's third child; Lawson and Trace prepare for their first rodeo; At the first dinner at Zach and Whitney's new house, Tori and Bobby reveal unexpected news.
Erin gives Tori a cooking lesson before she and Bobby move to Nashville; The middle Bates boys learn the more dangerous jobs of the tree business; Josie, Trace, and Tori finally graduate from college.
Josie and Kelton are ready for engagement; Tori and Bobby go for their first ultrasound with Dr. Vick, while the Bates's church goes under remodeling for more space.
Kelton invites Bobby to help him pick out the perfect engagement ring for Josie; Tori and Bobby finally leave for Nashville; Whitney goes shopping for her Vow Renewal dress.
Kelton finishes up his proposal plans for Josie; The whole Bates family gathers for the gender reveal party of Tori and Bobby's first child; Zach and Whitney go over their vow renewal checklist.
As Kelton is proposing to Josie in Utah with Kelly Jo, Gil, and his parents, Erin leads up a renovation of the Bates house with the rest of Bates kids, and Zach and Whitney meet a floral shop to discuss the final details of the Vow Renewal Ceremony.
