Neptuna is an extra terrestrial that has been sent to Earth with the mission to study the marine world to save her planet from pollution. From the Baltic Sea to the Indian Ocean via the two poles, she discovers an extraordinary world where reality often surpasses fiction.
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Last updated: June 9, 2026
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The Hydronauts first aired in 2003. Moviely hosts cinematic wallpapers captured from the TV series's official backdrop imagery.
Udo Beissel directed The Hydronauts.
The Hydronauts stars Eva Michaelis, Robert Missler, Tetje Mierendorf, Carolin Spieß, Mario Grete.
The Hydronauts has a runtime of 13min.
The Hydronauts has 2 seasons on record.
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