Skumm and his rat pack threaten to destroy a city with acid rain.

Skumm peddles a polluted drink that turns consumers into rodent zombies.

Plunder, Skumm and Greedly pollute the nation's water supply.

The teens cross paths with Cold Warrior Commander Clash, but their true opponent is Captain Pollution, a creation of Blight's.

Commander Clash joins the Planeteers to stop the eco-villains and Captain Pollution.