E1
A Hero for Earth
25m · September 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.
E2
Rain of Terror
25m · September 22, 1990
Skumm and his rat pack threaten to destroy a city with acid rain.
E3
Beast of the Temple
25m · September 29, 1990
Greedly and Rigger strip-mine Thailand for rubies.
E4
Skumm Lord
25m · October 6, 1990
Skumm peddles a polluted drink that turns consumers into rodent zombies.
E5
Deadly Ransom
25m · October 13, 1990
Captain Planet is held hostage by Nukem, Blight and MAL.
E6
The Conqueror
25m · October 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.
E7
Last of Her Kind
25m · October 27, 1990
The Planeteers fight to save the African elephants from extinction as Looten Plunder tries to corner the market in ivory.
E8
The Dead Seas
25m · November 3, 1990
Greedly and Rigger plot to empty the oceans of fish.
E9
Tree of Life
25m · November 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 · November 17, 1990
Sludge solves the world's trash problem by dumping everything into a volcano, which then erupts.
E11
Littlest Planeteer
25m · November 24, 1990
A little boy helps battle a smog monster.
E12
A World Below Us
25m · January 26, 1991
A dumping operation threatens an underwater city.
E13
Plunder Dam
25m · February 2, 1991
Plunder dams an African river, leaving the locals without the food or water the waterway provided.
E14
Meltdown Syndrome
25m · February 9, 1991
Nukem's radioactive presence at a leaking nuclear power plant triggers a meltdown.
E15
Smog Hog
25m · February 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 · February 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 · March 2, 1991
Plunder, Skumm and Greedly pollute the nation's water supply.
E18
Kwame's Crisis
25m · March 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 · April 13, 1991
Nukem decimates the ozone layer so he can feast on ultra-violet rays.
E20
The Ultimate Pollution
25m · April 20, 1991
Looten Plunder provokes tribal warfare so he can sell arms to both sides.
E21
Population Bomb
25m · April 27, 1991
Wheeler is stranded on an island of humanoid mice on the brink of population overload.
E22
Mission to Save Earth (1)
25m · May 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 · May 11, 1991
Commander Clash joins the Planeteers to stop the eco-villains and Captain Pollution.
E24
Two Futures (1)
25m · May 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 · May 25, 1991
Wheeler's attempt to keep his former self from joining the Planeteers has grave consequences for the planet.
E26
Heat Wave
25m · June 1, 1991
Blight creates a mini greenhouse effect over Hope Island, threatening Gaia's life.