It's Halloween in Axle City, and when Crusher accidentally over pumps his inflatable big pumpkin causing Blaze, his little sister Sparkle, and AJ to be sent far away, they and the viewer hear about a magical Trick or Treat Treasure and set out on a spook-tacular treasure hunt to find it! But they better hurry before the pumpkin closes at midnight! Meanwhile, Crusher and Pickle go trick or treating, but Pickle gets it wrong after they came to every house.