Lainey is excited to be back to work, but Mellor warns her that being a pal to her students is not a good idea; Principal Glascott introduces the newest science teacher to the faculty, but CB is skeptical of her no-nonsense approach.

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.

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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.

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.

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.

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.

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.

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.

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.

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.

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

Coach Mellor deals with jealousy issues after learning Julie is friends with a handsome doctor. Meanwhile, Glascott appoints CB to be substitute principal after his surgery, but needs Lainey to solve a problem with the mean girls of William Penn that he can't.

Smitten with environmental consultant Paloma, who was hired to oversee William Penn's Earth Day activities, CB's feelings may change when he learns she wants to stop an important construction project at the school. Meanwhile, Wilma gets a surprise after convincing Lainey that yearbook superlatives are not important.

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.