Sly Sludge thinks he has the answer to the world's trash problem: dump all the garbage into a Volcano on Laipuno Island, using it as an incinerator. Knowing the natives object to this, he pulls a phony trash shrinking scam as a cover. The volcano soon erupts, and the Planeteers and Captain Planet have to rescue the Island natives.
Elenco: Frank Welker , Joey Dedio , LeVar Burton , Whoopi Goldberg , Janice Kawaye , Kath Soucie , Scott Menville , Buster Jones , Clyde Kusatsu , David Warner , Dean Stockwell , Edgar Gilbert , George Hearn , James Coburn , Jim Cummings , Lewis Arquette , Margot Kidder , Martin Sheen , Tim Curry , Whoopi Goldberg .