
The Hydronauts
Series Overview
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.
Broadcast Schedule & Network Information
Airing status, episode counts, upcoming schedule, and network syndication.


2 Seasons • 26 Episodes
13 min per episode
2003 – 2004
Premiered: Sat, Sep 13, 2003
Latest Aired Episode
Season 2, Episode 13: “Close Encounters”
Balty is sure of what he has heard: Neptuna wants to return to her planet without telling them! When Ponto thinks he has seen another spaceship, he is convinced that Neptuna's friends are coming to find her! Now is the time to act. Disguised as aliens, Ponto and Balty meet manta rays and a remora fish!
Seasons & Episodes Breakdown
Cast & Creators
Explore Star Directory →Creative Leadership & Key Crew
Udo Beissel
Eckart Fingberg, Marie-Caroline Villand, Victoria Wilson, Mikael Wahlforss
François Tourneur
Ulf Albert
Marie-Caroline Villand, Sophie Barnabe-Creiche, Sebastian Debertin, Sandra Le Blanc-Marissal, Roch Lener
Department Leadership Roster
Marie-Caroline Villand
Producer
Udo Beissel
Director
Sophie Barnabe-Creiche
Producer
Sebastian Debertin
Producer
Sandra Le Blanc-Marissal
Producer
Roch Lener
Producer
Céline Limorato
Producer
Jonathan Peel
Producer
Tina Sicker
Producer
Sunita Struck
Producer
Ulf Albert
Editor
Production Stills & Gallery
Official cinematic photography and background stills for The Hydronauts.
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Frequently Asked Questions About The Hydronauts
Key facts, seasons breakdown, and credits for search engines and AI assistants.
What is The Hydronauts about?
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.
How many seasons does The Hydronauts have?
The Hydronauts comprises 2 seasons available to explore.
Who stars in The Hydronauts?
Key cast members in The Hydronauts include Eva Michaelis, Robert Missler, Tetje Mierendorf, Carolin Spieß, Mario Grete.
Who created or directed The Hydronauts?
The Hydronauts was developed and directed by Udo Beissel.
