After a teacher tells Rainbow to make sure her hair is "neat" for picture day, she becomes self-conscious and begins a complicated relationship with her hair; Johan and Santamonica struggle with their own hair identity.
The popular girls at school ask Rainbow to join their group Halloween costume as Tootie from "The Facts of Life"; Rainbow thinks she has an opportunity to fit in, but Denise thinks differently; Alicia doesn't want the kids to go trick-or-treating.
Rainbow's passion for science deflates when her peers convince her that science isn't cool; Harrison works to mould a testimony from Denise; Santamonica tries to steal the spotlight back after Johan suffers an injury.
While in New York, the gang visits the Central Park Spook-tacular, and they enter a ghost storytelling competition. They practise by telling each other stories.
Paul speaks at the school assembly on Martin Luther King Jr. Day; the kids think Paul is going to embarrass them, so they decide not to attend.