E01 · A Hero for Earth 25m
9/15/1990
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.
E02 · Rain of Terror 25m
9/22/1990
Skumm and his rat pack threaten to destroy a city with acid rain.
E03 · Beast of the Temple 25m
9/29/1990
Greedly and Rigger strip-mine Thailand for rubies.
E04 · Skumm Lord 25m
10/6/1990
Skumm peddles a polluted drink that turns consumers into rodent zombies.
E05 · Deadly Ransom 25m
10/13/1990
Captain Planet is held hostage by Nukem, Blight and MAL.
E06 · The Conqueror 25m
10/20/1990
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.
E07 · Last of Her Kind 25m
10/27/1990
The Planeteers fight to save the African elephants from extinction as Looten Plunder tries to corner the market in ivory.
E08 · The Dead Seas 25m
11/3/1990
Greedly and Rigger plot to empty the oceans of fish.
E09 · Tree of Life 25m
11/10/1990
Blight gains powers from the "Tree of Life" and threatens to use her new strength to destroy the redwood forest.
E10 · Volcano's Wrath 25m
11/17/1990
Sludge solves the world's trash problem by dumping everything into a volcano, which then erupts.
E11 · Littlest Planeteer 25m
11/24/1990
A little boy helps battle a smog monster.
E12 · A World Below Us 25m
1/26/1991
A dumping operation threatens an underwater city.
E13 · Plunder Dam 25m
2/2/1991
Plunder dams an African river, leaving the locals without the food or water the waterway provided.
E14 · Meltdown Syndrome 25m
2/9/1991
Nukem's radioactive presence at a leaking nuclear power plant triggers a meltdown.
E15 · Smog Hog 25m
2/16/1991
Greedly creates a pollution-intensive car but his own son becomes a victim of the resulting smog and pollution.
E16 · Polluting by Computer 25m
2/23/1991
Sludge and Blight break into government computers and transform all national parks into toxic waste dumps.
E17 · Don't Drink the Water 25m
3/2/1991
Plunder, Skumm and Greedly pollute the nation's water supply.
E18 · Kwame's Crisis 25m
3/9/1991
A depressed Kwame leaves the Planeteers when no one seems to care that Sludge is burying a small town in garbage.
E19 · Ozone Hole 25m
4/13/1991
Nukem decimates the ozone layer so he can feast on ultra-violet rays.
E20 · The Ultimate Pollution 25m
4/20/1991
Looten Plunder provokes tribal warfare so he can sell arms to both sides.
E21 · Population Bomb 25m
4/27/1991
Wheeler is stranded on an island of humanoid mice on the brink of population overload.
E22 · Mission to Save Earth (1) 25m
5/4/1991
The teens cross paths with Cold Warrior Commander Clash, but their true opponent is Captain Pollution, a creation of Blight's.
E23 · Mission to Save Earth (2) 25m
5/11/1991
Commander Clash joins the Planeteers to stop the eco-villains and Captain Pollution.
E24 · Two Futures (1) 25m
5/18/1991
A disgruntled Wheeler uses a time machine to travel to the past to stop himself from becoming a Planeteer.
E25 · Two Futures (2) 25m
5/25/1991
Wheeler's attempt to keep his former self from joining the Planeteers has grave consequences for the planet.
E26 · Heat Wave 25m
6/1/1991
Blight creates a mini greenhouse effect over Hope Island, threatening Gaia's life.