In Pumpkins County, monster attacks are a common enough occurrence, but when Jarvis is attacked by an invisible monster, the Creeps know they've found their next case. Through Mitchell's extensive monster expertise, the gang identifies the culprit: a Troll. Unfortunately, Trolls travel in packs. They hibernate together, and they feast on humans together. The tastiest type of human? Those who have been marinating in their own stress hormones. And there's...