1A Hero for Earth
The spirit of the Earth, Gaia, summons five teenagers to join her in battling ecological destruction and pollution. Their first fight is to keep Hoggish Greedly's oil rig from destroying a coastline.
2Rain of Terror
Skumm and his rat pack threaten to destroy a city with acid rain.
3Beast of the Temple
Greedly and Rigger strip-mine Thailand for rubies.
4Skumm Lord
Skumm peddles a polluted drink that turns consumers into rodent zombies.
5Deadly Ransom
Captain Planet is held hostage by Nukem, Blight and MAL.
6The Conqueror
An aggressive and sneaky Earth spirit named Zarm tricks the teens into disobeying Gaia, sparking a dangerous game that threatens to lead to nuclear war.
7Last of Her Kind
The Planeteers fight to save the African elephants from extinction as Looten Plunder tries to corner the market in ivory.
8The Dead Seas
Greedly and Rigger plot to empty the oceans of fish.
9Tree of Life
Blight gains powers from the "Tree of Life" and threatens to use her new strength to destroy the redwood forest.
10Volcano's Wrath
Sludge solves the world's trash problem by dumping everything into a volcano, which then erupts.
11Littlest Planeteer
A little boy helps battle a smog monster.
12A World Below Us
A dumping operation threatens an underwater city.
13Plunder Dam
Plunder dams an African river, leaving the locals without the food or water the waterway provided.
14Meltdown Syndrome
Nukem's radioactive presence at a leaking nuclear power plant triggers a meltdown.
15Smog Hog
Greedly creates a pollution-intensive car but his own son becomes a victim of the resulting smog and pollution.
16Polluting by Computer
Sludge and Blight break into government computers and transform all national parks into toxic waste dumps.
17Don't Drink the Water
Plunder, Skumm and Greedly pollute the nation's water supply.
18Kwame's Crisis
A depressed Kwame leaves the Planeteers when no one seems to care that Sludge is burying a small town in garbage.
19Ozone Hole
Nukem decimates the ozone layer so he can feast on ultra-violet rays.
20The Ultimate Pollution
Looten Plunder provokes tribal warfare so he can sell arms to both sides.
21Population Bomb
Wheeler is stranded on an island of humanoid mice on the brink of population overload.
22Mission to Save Earth (1)
The teens cross paths with Cold Warrior Commander Clash, but their true opponent is Captain Pollution, a creation of Blight's.
23Mission to Save Earth (2)
Commander Clash joins the Planeteers to stop the eco-villains and Captain Pollution.
24Two Futures (1)
A disgruntled Wheeler uses a time machine to travel to the past to stop himself from becoming a Planeteer.
25Two Futures (2)
Wheeler's attempt to keep his former self from joining the Planeteers has grave consequences for the planet.
26Heat Wave
Blight creates a mini greenhouse effect over Hope Island, threatening Gaia's life.