The teachers are concerned when a man with a pet bear moves in next to the school, Mrs. Adler returns from maternity leave, and Ms. Watson faces Mr. Pearson at jury duty.
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.
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.
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.
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.
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.
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.
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.
Ms. Snap and Mrs. Adler fight an intense lice outbreak, Ms. Bennigan tries to control her sexual urges, and Ms. Cannon learns how to drive.
Ms. Snap launches a campaign to ban selfies, Mr. Pearson learns being a substitute teacher is tough, and one of Mrs. Adler's students gives her pregnancy advice.
The teachers rally to help a newly poor Ms. Watson throw a back-to-school mixer, a familiar face takes over as principal, and Mrs. Adler discovers a squatter in her classroom.
With just hours to prepare for a meeting with Steven Spielberg, Larry must convince Rachel that it's for real and get Hugh to return from a mysterious trip to Phoenix.
Larry and Jen's romantic night away takes an unfortunate turn, Hugh gets a sign after visiting a former flame, and Rachel questions her relationship with Mark-Paul Gosselaar.
Hugh joins Larry in Austin to teach an unauthorized “Groundlings-style” workshop, and Rachel joins Mark-Paul at the Independent Spirit Awards.
CBS wants to make big changes to "Open Dorf Policy," and Mark-Paul asks Rachel to move in with him.