The Planeteers are after Hoggish Greedly who schemes to wipe out all the rive...
Captain Planet and the Planeteers
Season 6 Episode 11: Never the Twain Shall Meet
The Planeteers are off to meet Milton who shows them all his work in preserving the endangered Mississippi River. Wheeler and Ma-ti don't want a guided tour. They want to experience the Mississippi like Huck Finn and Tom Sawyer.