The Great Flood OTT release: When and where to watch Byung-woo Kim’s post-apocalyptic K-drama

Byung-woo Kim's post-apocalyptic K-drama, The Great Flood is all set to have its OTT release soon. Read ahead to know more.

By: Toshani Sharma

Published:December 20 2025, 12:48 PM

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K-dramas in 2025

K-dramas have taken the Indian audience by storm. This year, we got to witness a lot of amazing shows with novel plotlines and strong performances. From romantic dramas to the time-traveling enemies-to-lovers trope, the audiences got a great variety of shows to enjoy.

One more show…

One such show is all set for its global release towards the end of the year. That’s right, The Great Flood is about to hit the OTT channels, being available for the audience across the world. Here’s everything you need to know about it.

The Great Flood

Written and directed by Byung-woo Kim, The Great Flood is a science fiction drama starring Kim Da-mi, Park Hae-soo, and Kim Kyu-na. IMDb describes the show’s plotline as, “A disastrous great flood sweeps the planet. On what may be the last day on Earth, a desperate fight ensues to save a child from a flooding apartment.”

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The Great Flood OTT release date

It premiered on September 18, 2025, at the 30th Busan International Film Festival in the Korean Cinema Today – Special Premiere section. Now, it is going to be available for the global audience from December 19, 2025. Released on Netflix in multiple languages, the show is all set to captivate not just the domestic audience but the global one as well.

The Great Flood plotline

The Great Flood is set in a time when, as the name suggests, a great flood has drowned most of the world. One of the buildings ends up becoming the last residence for the surviving population. Despite all the risks, one woman puts her life in danger to save a drowning child, showing a beacon of hope for humanity.

The Great Flood cast

Revolving around the themes of moral choices and survival instincts, the show saw strong performances from the cast. Kim Da-mi portrays the role of Gu An-na, giving an emotionally charged performance. Park Hae-soo also adds a strong emotional lining to the series. Along with them, Kwon Eun-seong, Kang Bin, Jeon Yu-na, and more help in increasing the realism of the show.

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The Great Flood crew

Byung-woo Kim’s directorial brilliance adds to the visual appeal of the show. The production design portrays a world submerged in the water very realistically. The sound design helps increase the auditory cues of emergency and disaster.

Why watch The Great Flood?

If you are the type of person who enjoys a good post-apocalyptic drama series driven by emotionally charged sequences, then The Great Flood is the perfect show for you. With the Netflix release, the show is able to reach a wider audience.