Trying to save money, Darlene and Ben, and Jackie and Neville, head off on their joint honeymoon, where their cost-saving measures contribute to a tension-filled getaway; Dan, Becky, Harris, Mark, and Beverly Rose go to a waterpark.

When Jackie moves in with Neville, he shows up to their home with an excess of animals from his vet office; Darlene and Ben have an argument when he points out that she is turning into her father.

Mark is anxious to get his driver's license when a job opportunity presents itself across town; Darlene attempts to teach Mark to drive, but her frantic energy sends him running to Ben for help; Harris meets a new guy online.

When a relative passes away unexpectedly, the family must debate who should gain custody of a jaded nephew who is just shy of his 18th birthday.

Problems arise on Beverly Rose's first day of kindergarten; Becky and Darlene have a disagreement; Harris advises an unusual solution for Dan's back pain.

Dan encourages the family to decorate the house for Halloween; Harris takes a stand on an issue that ruffles a few feathers in Darlene's new neighborhood.

Darlene receives a promotion at her company, but she quickly learns that the fancy title is not all it's cracked up to be; when Louise loses her job at Casita Bonita, an opportunity arises to work with Jackie at the Lunch Box.

Jackie must come to terms with her mother becoming ill; Darlene's job hunt proves to be more difficult than anticipated.

Darlene, Ben, Becky, and Beverly Rose move into the new house, where Darlene implements a new set of rules.

Dan meets his new mother-in-law Doris for the first time when she comes to visit; Darlene helps Becky with a parenting problem.

The death of a beloved teacher from Dan and Jackie's high school brings old classmates together; Becky asks Darlene and Ben for a big favor.

Darlene and Ben get into a fight and ignore Becky's boundaries in the house; Dan accuses Jackie of losing all of their home videos.

Darlene has issues with Dan's plumbing work in her new house; Jackie tries to find a caregiver for Bev.

Darlene continues her search for a new job; Becky is desperate to spend more time with Beverly Rose.

Harris takes her anger out on Darlene; Dan and Louise spend an entire day in bed together.

Mark fights for a spot in the Lanford High chamber orchestra; Jackie puts a lottery machine in the Lunch Box.

Dan and Jackie take a road trip to a hardware wholesaler in Oklahoma; Darlene heads out of town and leaves behind a plethora of to-do notes for Becky and Ben.

Louise gets into a feud with Becky after accidentally sending a rude message in the family text thread; Darlene tries to spice up her sex life with Ben.

Darlene figures out a new plan to afford Mark's college tuition; Jackie and Louise try to help Becky meet a new guy.

Neville confronts Jackie about loaning Dan money; Darlene attempts to play matchmaker for Mark.

As Mark's graduation approaches, he considers his relationship with his father; Louise plans a big graduation ceremony at the Lunch Box.