When one of Jack's students anonymously reports him for canceling their much-anticipated fetal pig dissection, he sets out to find the snitch. Durbin's chances at Principal of the Year are in jeopardy when the superintendent visits.

In the hectic thirty minutes that start every day at Whitlock, Jack tries to retrieve his massage chair from Whitlock's intriguing payroll accountant, Lynette. Durbin and Helen prepare for the morning announcements. Michelle gives a eulogy.

The college fair comes to Whitlock, and Sarika has an offer to Jack: Get her into Harvard, and she’ll get his book into the hands of her publisher aunt. Meanwhile, Stef prepares for a visit from a fling, Helen applies to college, and Durbin tries to cement his legacy. Season finale.

As the school prepares for winter break, Jack tries to record a lecture on Thoreau's transcendentalism as a way into the University of Wisconsin's philosophy department. Frustrated and unable to finish the video, he falls asleep and has nightmares.

Jack's war with his neighbor reaches a turning point when it threatens to ruin a date with Lynette. When the school photographer ups his rate, Durbin takes school pictures into his own hands.

While the rest of the town prepares for the celebration of Toledo's annual Katie Holmes Day, Jack and Marissa plot to ruin the holiday pageant.

Jack's students steal his Harvard pen. Principal Durbin fails the superintendent's inspection.

Jack takes interest in a revenge mission on behalf of the kids; Mary, Stef and Michelle believe they've discovered an otherworldly presence.

Jack uses Michelle's annual murder mystery party to impress Lynette. Meanwhile, in a moment of desperation, the students break into Whitlock High to steal the A.P. Bio practice exams.

When budget cuts threaten to gut Whitlock and put his job in jeopardy, Jack recruits Mary, Stef, and Michelle to take down the Superintendent. Durbin plans an appeal to the heart, while the students plan an appeal to the soul.

After an embarrassing video of him falling off a stage goes viral, Jack plans a viral video of his own. Durbin, Helen and the teachers track down Whitlock's most notorious litterer: The Sugar Daddy.

After his computer breaks, Jack rallies his class to win the annual Whitlock's Got Talent competition so the prize money can go towards a new laptop. Helen and Durbin put on their best tuxes to host while Mary, Stef and Michelle prepare a hand-bell routine.

It's the most exciting time of the year at Whitlock: Durbin's birthday and Spirit Week. Jack does his best to steer clear of any school spirit as everyone else comes together to take down their hated rivals at Prairie High.

Jack has the students form a fake cult to sabotage Principal Durbin's new school uniforms.

As the newly minted driver's education teacher, Jack sets out to get revenge on his mother's church when he discovers the last of her money was used to buy a statue of the Virgin Mary.

When he's kicked off his Harvard phone plan, Jack is offered a chance to leapfrog onto Mary's on one condition: He helps her break up with her scuzzy boyfriend. Meanwhile, Anthony becomes Durbin's right-hand man.

Jack accidentally loses a significant amount of money and it falls in the hands of the students. As Principal Durbin and Helen investigate who stole the money, the students and teachers admit to other wrongdoings.

Jack reluctantly agrees to go out on the town with Mary, Stef, and Michelle; his superiority complex proves difficult for the women to overcome; principal Durbin feels threatened when Helen fills in for him on the school's morning announcements.

When Jack is attracted to a student's mother at a parent-teacher conference, he feigns interest in her son; a group of parents complain to principal Durbin when they notice a piece of controversial student art from Mary's class.

Jack successfully convinces Miles that Devin is his illegitimate son; Durbin, Mary, Stef and Michelle clash on the Sadie Hawkins dance theme.

Jack tries to expose his allegedly reformed deadbeat dad. A witch shakes up the Whitlock High staff.

Jack is incensed when his dead mom's former lover shows up and suggests they commemorate her birthday. Jack taps his students to help him retaliate, but the students' hands are already full - of crying robot babies. Stef's kindness toward Dale the janitor sends the wrong signals.

When Jack casually gives Durbin some marriage advice, it backfires, gets Durbin kicked out of the house, and Jack takes him in. The A.P. Bio kids tell Jack if they can get Miles' DNA, they'll learn a little biology while pulling off the ultimate revenge.

Mr. Pugh plans a field trip for the Toledo chapter of the Ohio Naturalists. When Jack can't write his own book, he agrees to be ghostwrite for popular author Robin Shwank -- only to insert his own chapters into Shwank's book.

Jack finds out his ex-girlfriend Meredith needs a venue for a charity fundraiser and has the perfect place: his student Victor's house. Victor and the other kids are inspired by Jack to party for the first time.