Watch Nadia- Secret of Blue Water full movies online in English.
Synopsis: Nadia is a teenaged circus acrobat, an orphan searching for her father at the turn of the 20th century. While in France, she meets up with Jean-Coq Raltique, a brilliant inventor her own age. After being rescued at sea by a mysterious submarine, they discover high adventure, and an ancient conspiracy that threatens the very existence of the human race.
Stars: Noriko Hidaka, Carl Domaski, Judson Jones
Sources: IMDB, Wikipedia