As the teachers return from summer break, Ms. Watson tries an ultra premium online dating service and Ms. Snap learns that she's been given the worst group of kids in school. Mrs. Adler is assigned to a mobile classroom.

There's a trespasser at Fillmore and a new security guard is hired. Ms. Snap and Ms. Bennigan hold a "Women Empowering Women" workshop, Mrs. Adler takes stranger danger too far, and Ms. Watson purchases a male safety dummy.

After Mrs. Adler announces she's pregnant, we're taken back in time to the 1940s, where the women of Fillmore fight for better treatment at work.

Ms. Feldman can't make ends meet on her salary and takes a second job. Ms. Watson notices a romantic spark between two of her second grade students. The Teachers take advantage of Principal Pearson.

When the Wi-Fi goes out, Ms. Snap is forced to go into the forgotten and seemingly haunted library in order to get a book. Ms. Watson has a confusing dream about Principal Pearson.

In this special musical episode, Ms. Snap changes the school lunch menu and Ms. Feldman starts an underground junk food ring. Hot Dad volunteers for lunch duty and Ms. Bennigan works up the nerve to ask him out on a real date.

It's the end of the school year and tensions are high between the Teachers. They reach their breaking point when asbestos is discovered in Mrs. Adler's trailer.

Mrs. Adler has to coach Fillmore's kickball team and is surprised to see a group of overly-confident dweebs show up. Principal Pearson reviews security footage and discovers the Teachers' skeletons in the janitor's closet.

A trip to the gynecologist sends Ms. Watson and her ticking biological clock into a tailspin, while Ms. Cannon and Ms. Snap prepare for the dreaded standardized testing.

Ms. Feldman struggles between her budding romance with Fillmore's new anti-drug officer and her love of marijuana. Ms. Watson becomes addicted to bingo; Mrs. Adler wreaks havoc when she tries to quit smoking.