When Gerry is suddenly promoted from sub to full-time teacher, his initial thrill is quickly squashed by the realization that he's back to real teaching responsibilities.
When Gerry learns that former Olympic champion Donovan Bailey is coming to town, he's determined to seek retribution for a long-standing bone he has with the track 'star.'
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 is turning forty, and after finding a letter he wrote to himself ten years earlier, he becomes acutely aware of everything he has failed to accomplish.
When word spreads that a student's wealthy father is on his deathbed and preparing to leave gifts for the student's favorite staff, Gerry makes sure to ingratiate himself to the young boy.
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.
Gerry is blown away by the hotness of the new substitute teachers and sets his sights on 'hot-sub Mary,' the new love of his life. Meanwhile, Simon and Nisha gear up for their first kiss.
When Gerry hears that a Kickstarter campaign raised 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.