With the fate of Empirical on the line, Liza considers leaving the company as her relationship with Charles forces him to make a crucial decision.
In a last-ditch effort to save the company, Charles takes Empirical and Millennial to a book fair in Germany where Liza receives an offer that could uncomplicate her life.
Ms. Snap convinces Ms. Bennigan that Hot Dad is the killer from a true crime podcast, Ms. Watson attempts to elevate a “dirtbag” family, and Ms. Cannon wears revealing tights.
Josh celebrates at his launch party, Liza is tired of keeping secrets, Caitlin's new boyfriend raises eyebrows, and Diana meets a challenge head-on.
Ms. Snap gets to know her new stepsister, Mr. Pearson takes charge as he prepares for a talent show performance with Ms. Watson, and Ms. Cannon wants to make a difference.
Liza and Kelsey find themselves at odds over two book offers, Kelsey is honored with an award, and Lauren works her magic as a publicist.
Ms. Watson moves in with Mr. Pearson, Ms. Snap gets catfished on a senior dating app, and one of Ms. Bennigan’s students is surprised to see her outside school.
Liza and Charles take their relationship to the next level, Kelsey tries to change a familiar pattern, and Maggie hears some hard truths from an ex.
While prepping for the Fillmore Book Fair, the teachers bring in hunky movers to set up, and Ms. Snap asks the guest author to help her write her own children's book.
At Christmastime, Liza must attend a party with her ex-husband, Kelsey struggles to keep both her relationships under wraps, and Charles glimpses Liza’s other life.
Ms. Bennigan tries to win over Blake, Ms. Snap wants to give back, and Ms. Watson and Mr. Pearson have a photoshoot to help Mrs. Adler.
Kelsey is torn between Jake and Zane, Liza helps Charles retrieve an eccentric rock star's manuscript, and Diana ventures to Staten Island.
Mrs. Adler tries to come to terms with the gender of her baby, Ms. Snap and Ms. Bennigan search for a missing student, and Ms. Watson deals with an unruly imaginary friend.
Liza worries about her daughter's online activities, Kelsey's relationship with Jake crosses a professional boundary, and Josh contemplates a long-term decision.
Mrs. Adler is tired of everyone's opinions about her pregnancy, Ms. Watson gives Ms. Snap a makeover, and Ms. Bennigan gets caught in the middle of disputing parents.