Mr. D

Gerry and Lisa try to navigate the world of marriage; Emma's library receives e-readers; Nisha has dinner with Simon and his mom.

Lisa decides to back out of the marriage, but Gerry isn't ready to give up yet; Robert tries out a treadmill desk; Bobbi revels in being called an inspiration.

Word spreads that Hayden's wealthy father is on his deathbed and has prepared gifts for the staff; Lisa and Robert become co-principals; Nisha ruins a child's game.

Gerry, Simon and Nisha try to make extra money for their vacation by taking up teaching side jobs.

Gerry takes on the acting role of a lifetime; Bobbi tries a new method to motivate her students; Nisha discovers a new teaching technique.

When Gerry realizes that the volleyball team's game will interfere with his plans, he sabotages them; Robert tries to increase the students' hustle between classes; Trudy posts a photo on the allergy wall.

Gerry is determined to catch a lurker to earn the Teach of the Month title; Robert creates a montage; a feud between Dwyer and Nisha develops.

Gerry is blown away by the new subs; Simon and Nisha prepare for their first kiss; Bobbi tries a different method to deal with a difficult student.

Gerry tries to victimize himself to get money; Dwyer has a new girlfriend; Bobbi comes to a realization.

Gerry makes a bold move that may alter the course of his career; Lisa shows her appreciation; Robert and Bobbi plan a big move in the physical education department.