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Nadia: The Secret of Blue Water was an anime series that ran from 1990 to 1991. In total 39 episodes of Nadia: The Secret of Blue Water were aired. With a total of 6 reported filler episodes, Nadia: The Secret of Blue Water has a low filler percentage of 15%. A teen acrobat of mysterious origins and a young inventor find themselves entangled in a sinister plot that involves the fate of the world.