Nadia: The Secret of Blue Water

The Mystery of the Lost Continent (1x16)

Air date: Aug 24, 1990

The victims of Gargoyle's latest attack are taken to the long-forgotten underworld of Atlantis to be buried. While there, Jean discovers that his father's ship was sunk by the Garfish. Nadia also learns that she must keep the Blue Water at all costs, no matter what pain or damage it may cause.