Fun with pink-haired Stephanie, an optimistic eight-year-old, and superhero Sportacus as they learn how to make healthy choices and get active. Stephanie wants to throw a thank-you party for Sportacus, but she's afraid that her friends' bad manners will ruin it. Robbie Rotten poses as Miss Roberta, an expert in manners, and teaches the children to misbehave even more. When Robbie accidentally falls and ends up with a bush on his head, Sportacus rescues him.