When the kids are assigned a special lesson on appreciation, Riley and Maya are forced to work in the school cafeteria while Lucas and Farkle are assigned janitorial duty.

A classmate teases Farkle for being different and not fitting in with the crowd.

When the entire class gets detention, the class divides and chaos ensues. Meanwhile, Auggie's friend Ava attempts to be nicer when she thinks she's losing him to another girl.

Uncle Eric is recruited to run for the Senate, but learns it was only because they expected him to lose. Riley and her friends rally together to help his campaign.

With middle school graduation around the corner, Riley, Maya, Lucas and Farkle work together to determine what kind of legacy they want to leave at John Quincy Adams.

Friends and family gather at the Matthews’ home to help make a difficult decision.