Riley gets annoyed when the girls are basically excluded from the latest science experiment.
Riley and Maya meet the Ghost of the Bay Window, a flapper girl from the 1920s, who makes people sing and dance.
When Jack uses the N word in a talent competition, heated debates over its use ensue and home and at school.
Riley is supposed to take the class fish home for the weekend, but it dies as soon as she gets it. Auggie suspects foul play.
Chaos erupts when the entire class gets detention. Meanwhile, Auggie's friend, Ava, tries to be nicer to him when she thinks she's losing him to another girl.
Lucas asks Cory's permission to go on a date with Riley. He agrees but insists that Maya and Farkle go with them.
Farkle is nominated for an award and must choose between Riley and Maya to take to the awards dinner. Meanwhile, Topanga forms a book club for Auggie and his friends.
Riley invites her friends to join a family game night, and Maya is excited to learn that Riley's Uncle Josh is participating as well.
A classmate teases Farkle for being different and not fitting in with the crowd, so he stops going to class. But Riley, Maya and Lucas intervene and show their classmates how to respect each other's uniqueness and show compassion to those who need it.moreless
Cory divides his class into two fake companies for a lesson, one driven by profits and the other by making people happy. Meanwhile, Riley and Maya meet a woman on a subway who turns out to be quite different than they first perceive her to be.moreless
Riley becomes jealous when another girl flirts with Lucas, so she gets Maya and Farkle to teach her how to flirt too.
When Sam sees Cat spending more than they make from the Babysitting service, she finds out about the "Magic ATM" she has been using.
While Constance copes with her ghostly child, a famous murder victim pays the Harmons a visit.