As key World leaders come together under one roof to discuss how to best prevent the growing spread of pollution and o-zone damage worldwide, Zarm returns to earth with a plot to snuff out the Planeteers. Calling a meeting of all the eco-warriors greatest foes, Zarm is able to tap into earth's energies and drain the earth itself of all it's resources. Only Gaia stands in his way, but Zarm has a final surprise to ensure she does not become a problem..

Zarm, having disabled Gaia and re-taken his position as spirit of the earth, begins turning the world into little more than a dead husk. With Gaia reduced to an old woman with not much longer to live, the Planeteers and Captain Planet face their greatest threat yet...

Verminous Skumm brainwashes a high school into thinking that AIDS is contagious & dangerous. The Planeteers help out a star basketball player who is accused of having the disease. Captain Planet makes a speech to the crowd about AIDS awareness.

In a story laced with magic and mystery, Hoggish Greedly and Rigger head south for Mardi Gras where they disguise themselves as ancient voodoo gods and poach Louisiana black bears in the bayou.