CB celebrates Thanksgiving by having all of William Penn rally around him after a cooking incident at his house, while the alumni faculty football game brings out the competitive sides of Wilma and Coach Mellor.

CB hopes getting Lainey a Beanie Baby for Christmas will show his true feelings for her, but it doesn’t go as planned. Meanwhile, Principal Glascott tries to convince Felicia that she needs to participate and sing a song in a Kwanza play he has written for the students.

After Mellor tells Lainey that sports are king at William Penn, she sets out to put on the Broadway hit musical “Rent” to show Mellor the arts are just as important as athletics. Meanwhile, Glascott and CB struggle to modernize the school’s outdated boy’s health education program.

When her high school reunion is held at William Penn, Lainey tries to hide her teaching job from old classmates, pulling a “Romy and Michele” lie with the help of Erica Goldberg and CB. Meanwhile, Mellor’s distraught to learn his star athlete alum, Ruben Amaro Jr., sees Glascott as more of a mentor than Mellor.

The hit film has love on everyone's brain, and Lainey has a realization about CB. Meanwhile, Principal Glascott uses the season's bad football team to teach Coach Mellor how to be both a good winner and a good loser.

Wilma steps in to help CB move on from Lainey with help from Coach Mellor, while Lainey learns she has unresolved issues from her past when mentoring a student.

Lainey is reunited with her mother; Wilma adds something to the robotics club.

Coach Mellor is excited to celebrate Halloween in a couple's costume with Julie, but his plan might be derailed by Principal Glascott. CB tries to scare the students into not tormenting each other during the school's annual Halloween parade.

Learning he’s not into baseball cards, Coach Mellor encourages Toby to be competitive in CB’s Pokemon Club and becomes an overbearing sports-type father. Meanwhile, Lainey supplements her salary as a teacher by working at the local video store and learns an important lesson.

Wilma encourages Ronnie to pursue his dreams of being in a boy band but goes too far when a music video gets out for all of William Penn to see. Meanwhile, the school hires Aunt Julie as the new school nurse which quickly affects her relationship with Coach Mellor.

Principal Glascott and Lainey struggle to agree on what is an appropriate dress code, while Coach Mellor struggles with his relationship with Julie as she does not enjoy sports like he does.

Lainey encourages Glascott to trust his niece and let her get her driver’s license, only to find Felicia isn’t trustworthy. CB and the student “Star Wars” club bring Mellor along to the premiere of “The Phantom Menace,” but Mellor’s thoughts on the movie cause the club to dissolve.

When CB finally gets the courage to tell Lainey that he has feelings for her, Dr. Barry Goldberg returns, derailing his big romantic reveal. Meanwhile, Glascott discovers that he can’t make every teacher like one another after his plan with the school’s staff goes awry.

After initially trying to sabotage him, CB works with Barry and the JTP to help him win back Lainey’s heart. Meanwhile, Glascott faces removal as principal after a prank damages William Penn Academy.

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Lainey is asked to direct another school musical, but she is unsure whether she can top herself after the success of last year's production; Coach Mellor's athletic records may soon be broken, so he must find a way to keep his name in the spotlight.

Lainey has a difficult choice regarding her relationship with Barry and her friendship with CB. Meanwhile, Coach Mellor is put in a tough parenting position when Toby is invited to prom as a freshman by a senior.

Coach Mellor is cracking down on cheating, which leads him to take on the failing mathletes for the upcoming Math Olympiad. Meanwhile, Lainey helps CB deal with a challenging student.

Lainey has high hopes for Coach Mellor's love life. Principal Glascott isn't sure how to handle difficult librarian Dr. Ness.

After watching the classic film "Rudy" in C.B.'s class, a student wants to play football. Principal Glascott suggests Lainey find a girlfriend to give her advice on life, so she tries to befriend Wilma.

CB chaperones an overnight ski trip and hopes to get in some quality time with Lainey.

In honor of Valentine's Day, Principal Glascott throws a "dating game" based on the show "Singled Out" where Lainey uses the opportunity to figure out her feelings. Meanwhile, Felicia is having body-image issues and Coach Mellor throws a workout camp to help her self-esteem.

Cool parent Greg distracts CB from being a good teacher to help his son Weasel receive extra credit, while former Principal Ball is upset at Principal Glascott when he approves the use of Ball's parking spot as a community garden.

Lainey and Glascott encounter an overbearing parent and enlist the help of Beverly Goldberg. Mellor realizes he might want to start a family and be a father after CB shows him how to care for confiscated Tamagotchis.

While preparing students for the school's show choir, Lainey realizes Wilma might be a better singer than her and gets competitive. Meanwhile, Coach Mellor and Aunt Julie fight over how to parent Toby.