Episode 1 Recap: 

In A Hero for Earth, the first episode of Captain Planet and the Planeteers, viewers are introduced to Gaia, the spirit of Earth, played by Whoopi Goldberg. Gaia awakes to find humans are destroying the planet. To save the Earth, she creates five magic rings, each with the power to control an element of nature and one controlling the extra element, heart - and presents the rings to five special young people she selects from across the globe: Kwame from Africa, Wheeler from the United States, Linka from the Soviet Union, Gi from Asia, and Ma-Ti from South America. These are the Planeteers. When they encounter situations they cannot handle alone, they combine and magnify their powers to summon Captain Planet, who possesses all of their powers magnified.

In this episode, the Planeteers battle Hoggish Greedly, played by Ed Asner, (best known for his role as Lou Grant on The Mary Tyler Moore Show) whose oil rig operation is jeopardizing the coastline.  Captain Planet was the first cartoon series to feature the voices of well-known celebrities, including Elizabeth Taylor, Meg Ryan, Martin Sheen, Sting, Ed Begley, Jr., Whoopi Goldberg, Jeff Gldblum, Neil Patrick Harris, Fred Savage, LeVar Burton and many, many more.

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"Captain Planet" is an animated series created by Ted Turner in the 1990s. MNN.com is the primary source for "Captain Planet" episodes on the Web. 

Captain Planet is a superhero whose powers are implemented by a team of five Planeteers (as well as himself), each of whom helps combat environmental catastrophes like pollution, animal poaching, water scarcity and more. Each episode of "Captain Planet" involves the captain and his planeteers tackling different dilemmas and nefarious eco-villains.

Numerous celebrities contributed voice work to the show, including Meg Ryan, Jeff Goldblum, Whoopi Goldberg and many others. You can watch all the Captain Planet episodes on MNN  and you can learn more about the series by going behind the scenes with the creators and major players.