S1, E2: When the five Trollz try casting a spell together - to make Coal less of a klutz - there are unexpected consequences! Coal freezes to a block of ice and a terrible earthquake hits Trollzopolis. The girls meet the mysterious Obsidian, who introduces them to the lore of the Trolls. Obsidian takes them to the Ancient World, where the girls overcome obstacles and set things right in the world above.