Gaia is transformed into a homeless person through Blight's experiments, but if she's not back on Hope Island by sunrise, the Earth will lose its spirit.

Blight's experimental plant turns violent, threatening an entire village.

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.

It's twenty years in the future, and the Eco-villains are older, but certainly none the wiser. What's worse, they're all running for president, and they've kidnapped the future Planeteers so nothing can be done about it! Will anyone be able to stop the Eco-villains from turning the White House into the Blight House?!?

Strange accidents on a film set point to Dr. Blight's starlet sister Bambi.

The Planeteers have little time to track down a radioactive isotope that was released by two capsules from an old chemotherapy machine. But where there's radioactivity, there's Duke Nukem, and he's already got his hands on one of the capsules. Now the Planeteers must find the two little children that took the other capsule before Nukem does.

The Planeteers travel back in time of pursuit of Hoogish Gredly and Sly Sludge, who intend to purchase the Grand Canyon decades before it becomes a landmark and use it as a land-fill

The Planeteers are vacationing on a cruise, where they meet Trevor, a big game hunter. Linka, totally misunderstanding Trevor's reasoning for enjoying hunting, takes an immediate disliking to him. They soon discover that Greedly is running a bogus "hunting" business, where tamed animals are being used (and slaughtered) to allow his clients to enjoy the ultimate hunting experience. The Planeteers and Captain Planet are captured, but Trevor comes to the rescue and helps turn the tables on Greedly.

The Planeteers are drawn into a controversial battle between loggers and fishermen.

Skumm steals a sacred Indian relic, infuriating Ma-ti.

An African boy from the future uses a virtual reality game and opens a door to the past where Looten Plunder is behind gorillas being poachered. He helps the Planeteers. The Planeteers call Captain Planet when things get out of hand.

When visiting Skyrunner (from "Stardust"), the Planeteers come across a faulty irrigation project, engineered by Looten Plunder, who has manipulated the Tribe into allowing him to put the project into effect. Blinded by promises of riches, new jobs, and a good harvest, the Tribe must be convinced by the Planeteers that the project is more destructive than productive, before Plunder drains them of their water, and thier livelihood.

Blight kidnaps the benefactor of a smog-reducing railway system.

While visiting India to do research on pollution in the sacred Ganges River, the Planeteers and thousands of others come down with a mysterious illness. Only Wheeler, who has been off exploring the city on his own, is not sick. However, when he starts receiving mystical visions from the Hindu gods, Hanuman and Ganesha, his newfound friend Lita wonders how well he really is.

The Planeteers are climbing Mount Everest in the Himalayas when they follow a snow leopard and fall into a cavern where they encounter a Yetti among 12 extinct or endangered animals, all of whom can speak, and begin to judge not only the Planeteers, but the entire human race. They go back from the Ice Age and various other time periods where the animals were either hunted or had their habitats destroyed by humans resulting in their extinction or becoming endangered. This episode is used to educate both of the past, present, and future for the viewers it explains how we can have everything one day and lose everything later.

The Planeteers head South to meet their pal Milton who plans to show them all he's doing to preserve the endangered Mississippi River. But Ma-ti doesn't want a guided tour. He has delusions of experiencing the Mississippi like Huck Finn and Tom Sawyer did in the old days.

Engines are revving up for a giant speedboat race through the Florida waterways. Unfortunately, the race threatens the endangered manatees who live in these backwaters. As usual, the Planeteers try putting to stop the eco-catastrophe. Only, this time they get some unlikely help from Wheeler's favorite TV stars, Danny Dazzleduff and Belinda Bubblebutt from Babe Watch, when they discover that Hoggish Greedly is behind a plan to get rid of the manatees.

The Planeteers discover Dr. Blight has been experimenting with puppies at a dog pound she's secretly running. Unsuspecting people, including Wheeler's young cousin are adopting unhealthy dogs and it's up to Captain Planet and the Planeteers to put a stop to Blight.

A man who owns a small french fry company, his son is under the influence of Hoggish Greedly and Rigger not to have is father turn the factory "eco" friendly. When some strange accidents occur, the planeteers think the son is behind them, since the son and the father never got along, but they soon learn it was Greedly.

A scientist invites the Planeteers to participate in a new eco-experiment, but they all soon fall victim to another scientist - Dr. Blight, who makes one minor change to the experiment - they can't get out!

The team explores the Outback, and the scientists who are experimenting with lifeforms that thrive on deadly levels of UV radiation.

Skumm peddles a polluted drink that turns consumers into rodent zombies.

Blight gains powers from the "Tree of Life" and threatens to use her new strength to destroy the redwood forest.

The teens cross paths with Cold Warrior Commander Clash, but their true opponent is Captain Pollution, a creation of Blight's.

On vacation, Linka goes to Washington D.C. to visit her cousin and uncle. Unfortunately, trouble isn't too far behind, because Verminous Skumm has brainwashed her cousin into taking a new drug called Bliss, and now Skumm wants to have Linka under his power as well.