It's Culture Day at Xavier and each teacher has been asked to model their classroom after a country.

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.

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 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.

Gerry suspects that Dwyer is moonlighting as a stripper and there's only one way to find out for sure.

Gerry and Lisa attempt to navigate their new reality as a married couple. Meanwhile, Emma's library receives a shipment of e-readers and Nisha attempts to have a pleasant dinner with Simon and his Mom.

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

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 is evaluated by a member of the board, he must go out of his way to prove that he is great at his job, or risk severe punishment.

Gerry tries to convince Bobbi to give him a senior boys basketball team next season. Robert learns that his year end evaluation came with one complaint.

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 concocts a scheme to get his class to go to Boston so that he and Bill can watch a Celtics game.

It's Food Drive Month at Xavier Academy, and Gerry is determined to make sure he wins the prize for being the teacher with the class that contributes the most food.

Gerry gets involved in the student council election; Robert tries to end a smear campaign; Lisa doesn't get along with the school's librarian.

Gerry takes a second job but struggles to juggle both. When the school is pressed to cut costs, Robert is forced to cut from Leung's library. When Trudy learns Bobbi can't flirt, she calls her on it.

The staff are involved in an elaborate trust game that accidently reveals some of their darkest secrets.

After Gerry has a positive interview for a position with Xavier's main rival school, he attempts to use it as leverage with Principal Callaghan.

Gerry raises money for a down payment to buy his rental; Robert's pride gets in the way; Lisa plans a farewell for the crossing guard.

After a run-in with an old fling, Gerry is convinced her daughter is his; Robert gets ready for the 20th reunion of his chess club.

After winning the city championship, Gerry thinks he'll get Coach of the Year; Callaghan makes an announcement; Frank is determined to help Jimmy find a career.

Gerry and Simon are both assigned student teachers. Gerry is thrilled to have a minion picking up the slack, while Simon is anxious about the added responsibility. Gerry soon learns that his hands-off approach will not work, as his student teacher, Gloria, is terrified of the students and requires Gerry's presence at all times.

Gerry tries to get a job as a physical education teacher after one opens up; Lisa has troubles with her new student teacher.

In gearing up for his big date with Jean McGrory, Gerry is dismissive of Trudy's dating advice.

Gerry decides he's going to make an impression on the runway of Lisa's faculty fashion show. Robert and Leung team up to find the vandal who has been defacing staff pictures.

Gerry is forced to appoint his arch nemesis Mr. Leung as his new assistant coach. His attempts to put Leung in his place as his subordinate end up backfiring.