Based on the timeless novel by Jack London. A loyal wolfdog's curiosity leads him on the adventure of a lifetime while serving a series of three distinctly different masters.

When a train unexpectedly starts up, taking only pets with it, the animals discover that Hans, a badger with a grudge is behind it all. While the crash seems inevitable, the animals can count on Falcon, a roguish Raccoon who will do anything to save them.

An adventurous mouse sets off to battle dangerous creatures in Ancient Greece, including Poseidon.

When a mysterious Super-Villain covers the jungle with a toxic pink foam that explodes on contact with water, the Jungle Bunch is called to the rescue. With less than a month before the rainy season, the race is on.