Old Hob, Slash, Herman the Hermit Crab, Mondo Gecko, and Pigeon Pete have become a force to be reckoned with. When someone close to the group is kidnapped, the Mutanimals end up on an adventure more wild and dangerous than they could have imagined! What mysteries lurk at...The Null Group? Old Hob, Slash, Herman the Hermit Crab, Mondo Gecko, and Pigeon Pete have become a force to be reckoned with. When someone close to the group is kidnapped, the Mutanimals end up on an adventure more wild and dangerous than they could have imagined! What mysteries lurk at...The Null Group?