It's Principal Quinn's trial. Shoemaker, Abbey, Fairbell and Loren have been summoned to the witness stand. Meanwhile, Cattie enlists Leslie to communistically transform Smoot into a passable school for an incoming reporter.

When a former Smoot senior returns to school, Loren, Shoemaker and Fairbell get paranoid about being the victims of yet another senior prank. Meanwhile, Abbey begins to date a younger guy despite warnings from Tammy and Julie.

After being appointed interim wrestling coach, Fairbell starts a beef with the rival school's coach, who Abbey has a crush on. Plus, Shoemaker takes testosterone, and Loren deals with a new girlfriend - and her two children.

With the dreaded new school year right around the corner, the teachers get a surprise when Rod returns to Smoot a sober man; his new insufferable attitude forces the gang to do the unthinkable to get him back to his old self.

Quinn returns as principal and starts a campaign to tackle the rampant bullying at Smoot, but disturbing the delicate social ecosystem has consequences for everyone.

The guys come to school drunk on the day Superintendent Carson promises to fire the worst teacher. Shoemaker has a medical flare-up, Loren maintains a buzz in order to save face, and Fairbell makes a ridiculous new friend.

A former student leaves a threatening letter for the gang, and they quickly realize they're stuck in the middle of his sick, murderous game. Trapped in school at night, with corpses piling up, the teachers fight for survival.

Loren finally completes his novel, but the book's success goes to his head, forcing Shoemaker to become his 'agent.' However, when the novel sparks a hookup outbreak, Fairbell and Summer's abstinence class takes a dramatic turn.

After Abbey accidentally discovers Smoot's racist past, Cattie brings in Native American students to make-up for the bad publicity. Plus, Rod and Loren start a craft brewery on campus, but find that their success may be short-lived.

Steven's vocational career fair has Loren and Abbey questioning their professional paths. Meanwhile, Shoemaker and Fairbell join a cult-like pyramid scheme.

The Smoot teachers rally around a student as they raise money for his heart transplant.

Out in the woods for a cross-country race, the gang stumbles upon a hermit they believe is a legendary serial killer.

Abbey enjoys success at her new career away from Smoot. In her absence, the gang struggles with their altered group dynamic and Loren takes over as librarian.

When the school bully begins picking on some of the teachers at Smoot High, the teachers exact a terrible (and stupid) revenge... and even the librarian gets in on the action!

When a Smoot student becomes a viral sensation, Shoemaker gets a brush with fame, and Loren and Abbey try to out-viral everyone with a video of their own.

Principal Quinn tasks the guys with helping a shy kid win the student election, but they do their jobs a little too well and unwittingly create a monster. Abbey and Quinn have a fight over Smoot High's debate practices.

Against all odds, Fairbell excels in his new role as principal, but the arrival of a buttoned-up guidance counselor jeopardizes the rest of the gang’s easy street.

With the school in danger of being shut down, the gang hatches a plan to save the day. Meanwhile, Quinn and Tammy embark on a drug-fueled vision quest.

Cattie hires a former Denver Bronco to be Smoot's new head football coach, and he appoints Loren as his assistant. But the new coach's methods don't sit well with Tammy and Shoemaker, who go to great lengths to fire him

The teachers protest poor working conditions by going on strike, Shoemaker and Abbey butt heads over who's the real strike leader, and Loren and Rod tailgate the event...leaving Quinn and Tammy to man the understaffed school.