65 million years ago, dinosaurs experienced a catastrophic extinction that ended their dominance on Earth except for one! In this volume, Gon frolics with some watery friends until a school of piranhas tries to put the bite on him. Later, Gon leads a pack of baby wolf cubs to seek revenge against a vicious tiger for the death of their mother. And get ready for far-out fun in the forest, as Gon consumes massive quantities of mushrooms!