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.
Guest Stars:
Ed Asner, John Ratzenberger
Skumm and his rat pack threaten to destroy a city with acid rain.
Guest Stars:
Jeff Goldblum
Greedly and Rigger strip-mine Thailand for rubies.
Guest Stars:
Ed Asner, John Ratzenberger
Skumm peddles a polluted drink that turns consumers into rodent zombies.
Guest Stars:
Jeff Goldblum
Captain Planet is held hostage by Nukem, Blight and MAL.
Guest Stars:
Dean Stockwell, Meg Ryan, David Rappaport
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.
Guest Stars:
Sting
The Planeteers fight to save the African elephants from extinction as Looten Plunder tries to corner the market in ivory.
Guest Stars:
James Coburn
Greedly and Rigger plot to empty the oceans of fish.
Guest Stars:
Ed Asner, John Ratzenberger
Blight gains powers from the "Tree of Life" and threatens to use her new strength to destroy the redwood forest.
Guest Stars:
Meg Ryan, Floyd "Red Crow" Westerman
Sludge solves the world's trash problem by dumping everything into a volcano, which then erupts.
Guest Stars:
Martin Sheen
A little boy helps battle a smog monster.
Guest Stars:
Meg Ryan
A dumping operation threatens an underwater city.
Guest Stars:
Martin Sheen
Plunder dams an African river, leaving the locals without the food or water the waterway provided.
Guest Stars:
James Coburn
Nukem's radioactive presence at a leaking nuclear power plant triggers a meltdown.
Guest Stars:
Dean Stockwell
Greedly creates a pollution-intensive car but his own son becomes a victim of the resulting smog and pollution.
Guest Stars:
Charlie Schlatter, Ed Asner, Phyllis Diller
Sludge and Blight break into government computers and transform all national parks into toxic waste dumps.
Guest Stars:
Meg Ryan, Martin Sheen
Plunder, Skumm and Greedly pollute the nation's water supply.
Guest Stars:
Ed Asner, Jeff Goldblum, Meg Ryan, James Coburn
A depressed Kwame leaves the Planeteers when no one seems to care that Sludge is burying a small town in garbage.
Guest Stars:
Martin Sheen
Nukem decimates the ozone layer so he can feast on ultra-violet rays.
Guest Stars:
Dean Stockwell
Looten Plunder provokes tribal warfare so he can sell arms to both sides.
Guest Stars:
James Coburn
Wheeler is stranded on an island of humanoid mice on the brink of population overload.
The teens cross paths with Cold Warrior Commander Clash, but their true opponent is Captain Pollution, a creation of Blight's.
Guest Stars:
Louis Gossett Jr., Jeff Goldblum, Dean Stockwell, Meg Ryan, James Coburn
Commander Clash joins the Planeteers to stop the eco-villains and Captain Pollution.
Guest Stars:
Louis Gossett Jr., Jeff Goldblum, Dean Stockwell, Meg Ryan, James Coburn
A disgruntled Wheeler uses a time machine to travel to the past to stop himself from becoming a Planeteer.
Guest Stars:
Ed Asner, Meg Ryan
Wheeler's attempt to keep his former self from joining the Planeteers has grave consequences for the planet.
Guest Stars:
Ed Asner, Meg Ryan