Stuck in a boring office job, an expectant father starts an underground brewery with his stoner brother and keeps it a secret from his wife.

Tension brews between a couple who are trying to conceive when the wife’s hard-partying friend comes to town and camps out on their couch.

A middle-aged graphic novelist who mines his personal life for material gets a taste of his own medicine when he meets a photography student.

A plot to sabotage a standardized test jeopardizes Russell’s job as Gamby is caught in the middle.

Gamby gets unexpected company on spring break; Amanda is illuminated during a writer’s retreat.

Tensions between Gamby and Russell come to a head as prom night approaches.

The school year comes to a startling end.

Recovering from his wounds, Gamby returns to a dramatically changed North Jackson High.

Gamby fingers a suspect, with Dayshawn’s help. Russell tests out a kindness strategy at school.

Gamby’s search for his shooter leads him into a novelist’s graduate-school class. Russell’s ire is fueled by an unflattering caricature.

A death in Russell’s family forces Gamby to step up to the plate as North Jackson’s acting principal.

Russell’s birthday bash is marred by a revelation about his wife’s college boyfriend.

Colt tries to round up the other ranchers to give Neumann’s Hill some competition. After another argument with Abby, Colt signs the divorce papers.

Colt, Beau and Luke bond during a road trip to New Mexico. Back home, Abby runs into Mary and Nick.

Luke, Colt and Beau find Mary in bad shape in Nick’s trailer. While Luke brings Mary back to the ranch, Colt and Beau wait for Nick.

To celebrate their last Thanksgiving on the ranch, Colt and the guys go on a turkey hunt. Mary checks into rehab.

Abby invites Colt out for a birthday dinner … which might be a date. But the plan goes off the rails after Colt has an argument with Luke.

As Colt battles the elements, he leaves Abby a poignant message. Armed with a new perspective, Beau surprises Joanne.

Colt finally wins back Abby’s trust — but he’s afraid to tell her he knows who killed Nick. Beau and Joanne look for a house together.

Maggie returns from Florida with news. When Dale uncovers a problem with the herd, Colt weighs whether to tell Lisa Neumann.

Luke urges Mary to go back to rehab. The police find a gun near the trailer and make an arrest, leaving Colt struggling with his conscience.

Luke’s friend from the service offers him a job. Meanwhile, trouble brews with the co-op. Maggie tells Beau that she’s met someone new.

Jerry warns Colt that Lisa Neumann has a good case against him. And when Luke bails on work, Colt has to miss Peyton’s baptism.

In the series finale, Luke opens up about his struggles, Maggie throws one last Christmas party at the bar, and Colt gives Beau a heartwarming gift.

Colt and Mr. Phillips search for Abby. Heather warns Rooster about Nick. An unexpected celebration brings everyone together.

The Bennetts return to the ranch. Beau gets a business proposition from Neumann’s Hill. A face from Maggie’s past arrives with news.

When Colt lands in trouble covering for Rooster, he tries to cash in a favor. Beau invites Joanne to stay at the ranch. Colt plans a surprise for Abby.

Beau’s at the end of his rope and decides to teach Colt and Rooster a lesson. Mary realizes she needs to choose between Rooster and Nick.

Nick confronts Rooster. Running out of options, Colt reaches out to Lisa Neumann. Joanne urges Beau to make peace with Colt.

While Abby’s in Denver teaching, Colt works to rebuild the Peterson ranch. Rooster misses his first day of work.

After a fight with Nick lands Colt in hot water, Mary presses her ex for the truth. Beau delivers troubling news.

Beau intervenes to keep Colt out of trouble. Abby and Colt follow a lead. Maggie returns to Garrison, and Mary wrestles with guilt.

One month later, tensions run high as Colt and Abby scramble to get ready for the baby. Lisa Neumann makes Beau an offer.

Colt tries to keep his cool as he worries about Abby — and wonders if he’s ready to be a dad. Maggie catches Mary in a lie.

While Abby and Colt struggle with parenting an infant, another new arrival shakes things up at the ranch. Maggie confronts Mary.

Beau’s softer side emerges when he takes Luke under his wing, but Colt doesn’t trust his cousin. Maggie comforts an exhausted Abby.

Money troubles put a strain on Colt and Abby’s relationship. Beau tries to get Luke help for his PTSD but refuses to bail Colt out of a jam.

Colt hides the truth from Abby as their financial woes go from bad to worse. A drunken night leads to an awkward morning after for Mary.

Beau issues Luke an ultimatum. As Colt tries to prove himself to Abby, Luke makes him an offer — but Mary drives a wedge between them.

When the principal of a high school retires, his two vice principals go to extremes to land the vacant job.