5 episodes
First episode: E1
An action drama that tells the story of a mysterious young man who lost his memory. Jo Eun Hee is a female soldier in the navy who works with Sung Ki Soo to carry out special missions under UDU (Underwater Demolitions Unit) Sung Ki Soo is a navy lieutenant who is also a professor at the non-commissioned officer department who is the first to see through the identity of the young man who lost is memory.
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5 episodes
First episode: E1Quick answers about this series, release status, and episode totals.
The Blue Sea first aired on October 9, 2017.
The Blue Sea currently has 1 season and 5 episodes.
The Blue Sea is ended, and no upcoming episode is currently scheduled.