A bully makes life awful for Paisley. An unlikely ally helps her build a machine that could shed some light on the bully's behavior.
Harriet Tubman stops in and tells Fiona and Finley about the Underground Railroad. Fiona and Finley don't just want to hear about it, they want to help.
Considering someone else's feelings is what this title is about. The cast of animal characters learn that if you exclude someone it not only hurts their feelings but it is not fair.