Lisa has second thoughts about the marriage, but Gerry isn't throwing in the towel so quickly. Meanwhile, Robert gives a new treadmill desk a try; and Bobbi's aglow after being called an "inspiration" by a former student.

With Hayden's wealthy father on his deathbed and preparing to bequeth Hayden's favorite staff, Gerry attempts to ingratiate himself to the young student. Meanwhile, Lisa and Robert are named co-principals, shifting the balance of power; and Nisha ruins an innocent children's game.

Gerry, Simon and Nisha take on various teaching side jobs in an effort to save up for their respective March break getaways.

Gerry steps into the role of a lifetime and finds himself bitten by the acting bug and reveling in the new-found attention. Bobbi tries a new tactic in order to motivate her lethargic students and Nisha discovers a manipulative teaching technique.

Gerry takes on the senior girls' volleyball team. But when he realizes their semifinals will be interfering with his all-important social schedule, he sets out to sabotage them at the quarterfinals. Meanwhile, Robert needs to increase the 'between class hustle,' and Trudy posts a terrible photo on the allergy wall.

When Gerry learns of a lurker in the vicinity, he sets out to catch said lurker and earn the Teach of the Month title. Meanwhile, Robert creates a Xavier Academy montage, from which Bobbi is conspicuously lacking, and a new feud develops between Dwyer and Nisha.

Gerry is blown away by the hotness of the new subs and sets his sights on Mary, the likely love of his life. Meanwhile, Simon and Nisha ready themselves for their big first kiss, and Bobbi attempts a "kill 'em with kindness" method for dealing with a difficult student.

When Gerry hears that a Kickstarter campaign raised a bundle of money for a bullied bus monitor, he sets out to victimize himself in a similar fashion. Meanwhile, Dwyer has a new "killer" girlfriend and Bobbi comes to a surprising realization.

When Gerry isn't given a full-time contract for the following year, he makes a bold move that may change the course of his career. Meanwhile, Lisa attempts in vain to show her appreciation to the staff, and Robert and Bobbi plan for a major shift in the Phys Ed department.