S4.E20 ∙ The Wild Life: Life on the River's Edge

When Dr. Robotnik returns with a new partner, Knuckles, in search of an emerald that has the power to destroy civilizations, Sonic teams up with his own sidekick, Tails, on a journey across the world to find the emerald first.

The year is 2030 and Zan is believed to be the last living Orangutan. His "human parents" have been tasked to save the species using Zan's DNA, however they have only managed to produce a Simian Translator that allows Zan to talk to humans and more. Zan sings and dances... making him a global superstar through his hit song "Lil' Bit Crazy". Zan's life gets even "crazier" when he is kidnapped, falls from a plane and is trapped in a jungle... where he soon discovers that he is not so special after all... as there are a few living Orangutans who believe that he is the "Awaited One" to save them from the evil Komodo Dragon, Naga. As a total misfit with an unfit body, the pampered Zan has to learn to become a true Orangutan fast... to survive in a jungle full of predators.

With the human exploitation of natural resources, the Arctic environment is completely destroyed, leaving only the last polar bear to survive. Jessica, a human girl, adopts the polar bear and names him Backkom.

A military dog that helped American Marines in Afghanistan returns to the United States and is adopted by his handler's family after suffering a traumatic experience.

Taking refuge on Earth, when Sonic uses his incredible speed and accidentally knock out the power in part of the United States, he catches the attention of Dr. Robotnik and must stop him from using his unique power for world domination.

A toxic, ever-evolving alien life-form from the Dark Gaseous Nebula arrives to consume rampant pollution, and neither Humanity nor Godzilla may be able to stop it.