Yogi's Gang teach people about the dangers of pollution. They are the main heroes of the TV series of the same name. Yogi and Boo-Boo Bear created a flying ark with a janitor of Jellystone Park and with Yogi's friends tried to find a place to environmental free. They couldn't find a place, but Boo-Boo tells them, if they want to clean the environment. They will have to go home. They did that and after that, they decided to travel the world the flying ark and call it Yogi's Ark. The Janitor from Jellystone Park didn't join them. Yogi and Boo-Boo are leading his gang with his flying ark to help people when they ask for them and travel around the world to help with environmental problems people call them for.