A roofless dictator decimates the land to fight the opposition, with total disregard to the environment and human life. But there is more to the story than meets the eye. ...

Hoggish Greedly uses a large machine to uproot trees from the ground and grind them at the same time so he can have a quick, easy supply of wood to sell furniture. The Pl ...

Vacationing in Mexico City with the other Planeteers, Wheeler is put off by the many lower-classmen he sees. But when an earthquake strikes, they go north to Santa Teresa ...

Kwame takes the Planeteers to Africa to meet Dr. Mabutu, who is experiencing trouble on his game ranch. The trouble is Dr. Blight's experiments that turn ordinary cattle ...

The Planeteers break from Zarm's ship as 10 years have passed. They hurry to find Commander Clash before Gaia ages into dust. When they find him, the Planeteers and Comma ...

Zarm joins forces with Hoggish Greedly, Looten Plunder, Sly Sludge, Duke Nukem, Verminous Skumm, and Dr. Blight. Zarm tricks the Planeteers into giving up their rings and ...

Linka and Ma-Ti go to visit his ornithologist friend Juan in Central America, and explore a valley of many birds with Juan's parrot, El Profesor. However, he and all the ...

An Australian town has an extreme amount of air-pollution, despite its excellent subway system, the Blue Car Line. The Planeteers go to investigate and meet a local journ ...

After rescuing George, a miner whose leg is caught in an area under construction, the Planeteers are horrified to see how strip-mining is used for finding minerals, provi ...

During a boating voyage, Hoggish Greedly and Verminous Skumm land on the Galapagos Islands after Greedly accidentally knocks a toxin over Skumm's rats, causing them to gr ...

While touring the desert, Ma-Ti is surprised how many animals live there - but is even more shocked to see that it's the spot Hoggish Greedly has chosen for his off-road ...

The Planeteers visit an organic farm to see how natural insect-repellents are used on crops, but Joe, a neighboring illiterate farmer too ashamed to admit he can't read, ...

The Planeteers get shrunk to microscopic size and put into polluted water, which Kwame drinks. They battle hideous water-borne parasites in Kwame's body so that he can re ...

In San Francisco, many are falling sick to poisonings of what look like various toxins and chemicals. The Planeteers go to investigate. Ma-Ti's obsession for old mystery ...

Hoggish Greedly introduces dynamite-fishing to the Philippines, since fishing by placing explosives in the water quickly kills fish...and is the perfect cover for him to ...

Professor Apollo invents a solar beam which can power anything, but Duke Nukem steals the beam and converts it into a deadly radiation ray to power himself. The Planeteer ...

The Planeteers are trying to save the tigers whose habitat is being destroyed by Greedly and Blight, when suddenly they are abducted by an alien who collects endangered a ...

Gi tells Ma-Ti the shark he thought was attacking him during their swim on vacation was a plant-eater, but a Florida Keys local overhears and misunderstands part of their ...

On Moghal Island, Looten Plunder plans to open a factory and hires Dr. Blight to use her cloning-ray to give him many workers so he won't have to pay them much. The Plane ...

While Ma-Ti and Wheeler visit Ma-Ti's village in the Amazon, they learn a man called Baron Giftus promises to show the countries of the world a solution to Earth's air-po ...

Dr. Helix, a scientist Gi is a fan of, appears to have found a solution for oil-spills by placing his invented substance in water where it absorbs the oil. Sly Sludge dec ...

Using a drug called Bliss Verminous Skumm turns people into drug addict zombies. He even manages to trick Linka into taking the drug and becoming his slave. But without h ...

Wheeler gets his wish to see how those who were once his fellow Planeteers are living, but discovers life really has changed for the worse without him as part of their te ...

Hoggish Greedly prepares to enter Dr. Blight's time pool to travel back to the 1950s where he can profit through development as much as he pleases without having to worry ...

The Planeteers learn Commander Clash's radar station he releases Ma-Ti and Gi from was set up during the Cold War, which he doesn't know ended. He is depressed and doubts ...

Looten Plunder, Dr. Blight, Verminous Skumm, Duke Nukem, and Sly Sludge team up to defeat the Planeteers by getting powers similar to the ones they have from their rings. ...

Captain Planet prevents part of a wall breaking and falling on a crowded street in an overpopulated city. Back on Hope Island, the Planeteers learn that the world is very ...

Two Middle Eastern village leaders have declared war on one another, despite their sons' friendship and pleas for peace, when an arms-dealer claims that each will attack ...

Duke Nukem enters Antarctica with stolen factory-equipment, fridges, and ACs to cause chlorofluorocarbons (CFCs) to enlarge the hole in the ozone so he will get the radio ...

Sly Sludge is dumping trash on an unsuspecting town, but no one cares, which causes Kwame to lose hope in humanity, and therefore his ability to summon Captain Planet. It ...

Looten Plunder, Verminous Skumm, Hoggish Greedly, and Dr. Blight team up to dump contaminants in the water-supply for many cities so they can get rich off of selling Plun ...

Sly Sludge, Dr. Blight and her computer, MAL, hack into the government's computer system to falsify the Planeteers' records and clean Sly Sludge's background check as he ...