The neighboring construction site of a new golf course causes issues at Abbott, forcing the teachers to find creative solutions; an HR representative visits the school; following their kiss, Janine and Gregory's relationship status is revealed.
It's Halloween at Abbott Elementary and Janine and Gregory proudly show off their couple's costume, but it fails to translate; Barbara faces pushback from parents concerned about hygiene and her beloved apple-bobbing tradition.
Gregory forms a bond with one of his students, but the student's dad becomes jealous of their relationship and seeks a confrontation; Melissa suffers a fall but avoids receiving medical attention for the injury.
When the neighborhood deli is forced to close to make room for a trendy smoothie place, Melissa, Barbara and Jacob team up to fight the gentrification; the district asks Ava to give a presentation to fellow principals.
Despite a few setbacks, Barbara is determined to make Abbott Elementary's first-ever holiday show a success; Jacob's brother arrives for his visit earlier than planned.
Melissa hosts the Schemmenti family Christmas Eve dinner and goes to great lengths to make sure everything is perfect; Janine and Gregory get an unexpected guest.
Janine must rethink her lesson plans after her class performs poorly on a practice test; Jacob struggles to engage a disinterested student; the district sends a new custodian to train under Mr. Johnson.
When city buses stop running due to a strike, resulting in many students being absent from school, the teachers at Abbott try to find creative solutions and adapt to hybrid learning; Gregory and O'Shon strike up a friendship.
During Abbott's 100th day of school celebrations, Barbara receives a surprise from her daughter; Jacob and Mr. Johnson join forces to conduct a search party.