Captain Planet is held hostage by Nukem, Blight and MAL.

Blight gains powers from the "Tree of Life" and threatens to use her new strength to destroy the redwood forest.

A little boy helps battle a smog monster.

Sludge and Blight break into government computers and transform all national parks into toxic waste dumps.

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.

A disgruntled Wheeler uses a time machine to travel to the past to stop himself from becoming a Planeteer.

Wheeler's attempt to keep his former self from joining the Planeteers has grave consequences for the planet.

Blight creates a mini greenhouse effect over Hope Island, threatening Gaia's life.