Episode 1
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.
Episode 2
Skumm and his rat pack threaten to destroy a city with acid rain.
Episode 3
Greedly and Rigger strip-mine Thailand for rubies.
Episode 4
Skumm peddles a polluted drink that turns consumers into rodent zombies.
Episode 5
Captain Planet is held hostage by Nukem, Blight and MAL.
Episode 6
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.
Episode 7
The Planeteers fight to save the African elephants from extinction as Looten Plunder tries to corner the market in ivory.
Episode 8
Greedly and Rigger plot to empty the oceans of fish.
Episode 9
Blight gains powers from the "Tree of Life" and threatens to use her new strength to destroy the redwood forest.
Episode 10
Sludge solves the world's trash problem by dumping everything into a volcano, which then erupts.
Episode 11
A little boy helps battle a smog monster.
Episode 12
A dumping operation threatens an underwater city.
Episode 13
Plunder dams an African river, leaving the locals without the food or water the waterway provided.
Episode 14
Nukem's radioactive presence at a leaking nuclear power plant triggers a meltdown.
Episode 15
Greedly creates a pollution-intensive car but his own son becomes a victim of the resulting smog and pollution.
Episode 16
Sludge and Blight break into government computers and transform all national parks into toxic waste dumps.
Episode 17
Plunder, Skumm and Greedly pollute the nation's water supply.
Episode 18
A depressed Kwame leaves the Planeteers when no one seems to care that Sludge is burying a small town in garbage.
Episode 19
Nukem decimates the ozone layer so he can feast on ultra-violet rays.
Episode 20
Looten Plunder provokes tribal warfare so he can sell arms to both sides.
Episode 21
Wheeler is stranded on an island of humanoid mice on the brink of population overload.
Episode 22
The teens cross paths with Cold Warrior Commander Clash, but their true opponent is Captain Pollution, a creation of Blight's.
Episode 23
Commander Clash joins the Planeteers to stop the eco-villains and Captain Pollution.
Episode 24
A disgruntled Wheeler uses a time machine to travel to the past to stop himself from becoming a Planeteer.
Episode 25
Wheeler's attempt to keep his former self from joining the Planeteers has grave consequences for the planet.
Episode 26
Blight creates a mini greenhouse effect over Hope Island, threatening Gaia's life.