Episode Title:
Chapter 1: The Troll Circle (Part 1).
Episode Description:
Hilda gets to spend time with Erik Ahlberg, head of Trolberg safety patrol, after her essay on trolls wins a contest. Traveling in a dirigible around the city, Hilda finds that Erik is reckless and endangering the citizens of Trolberg. When she returns home, she decides to try exposing Erik's true colors.
