Ep. 6: Jean and Nadia infiltrate the island's secret factory complex to rescue Marie and King.
Aired on May 18, 1990

6
Jean investigates the island and finds a power plant in a central crater, witnessing a villager killed by soldiers. Meanwhile, Marie and King wander outside their cave to gather flowers while Jean and Nadia debate whether to rescue the islanders. The children are captured by soldiers, prompting Jean and Nadia to follow them to a factory complex where villagers are enslaved. They identify a submarine called the Garfish, commanded by the ruthless Gargoyle. When Nadia’s Blue Water artifact activates near Gargoyle’s secret weapon, the group attempts to escape. To save Jean from execution, Nadia surrenders herself, and Jean vows to rescue her.
Episodes
- Ep. 2 · Jean and Nadia travel to Africa to uncover her origins after rejection in Le Havre
- Ep. 3 · The Abraham Battleship Encounters a Mysterious Sea Monster Threat
- Ep. 4 · Jean, Nadia, and King are rescued by Captain Nemo's mysterious submarine, the Nautilus.
- Ep. 5 · Jean, Nadia, and King crash on an island and meet a young girl named Marie.
- Ep. 6 · Jean and Nadia infiltrate the island's secret factory complex to rescue Marie and King.
- Ep. 7 · Gargoyle forces Nadia to reveal the Blue Water's location while showcasing the destructive Babel tower.
- Ep. 8 · Jean allies with Grandis gang to infiltrate compound and rescue Nadia from Gargoyle's submarine.
- Ep. 9 · Nemo's Secret: The Nautilus Visit and Blue Water Discovery
- Ep. 10 · Grandis, Sanson, and Hanson attempt to clear mines for the Nautilus escape.