Sludge and four of the Planeteers learn first hand the terrible effects of untreated sewage when MAL and Dr. Blight shrink the EcoSub (and them) to microscopic size and put them into polluted water that Kwame unwittingly drinks. The Planeteers must battle hideous water-borne parasites in Kwame's body so that he can recover, and restore them to proper size.
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 .