Netflix has released the teaser trailer for its upcoming sci-fi disaster film, The Great Flood, which is set to premiere on December 19, 2025. The film, directed by Kim Byung-woo, is a gripping tale of survival on what may be the last day on Earth, as a catastrophic flood submerges the world.
Kim Byung-woo is known for their work on the film adaptation of the webtoon Omniscient Reader: The Prophecy, and Take Point (PMC: Deo beong-keo). The story centers on a handful of survivors trapped in a sinking apartment building, with star turns by Kim Da-mi and Park Hae-soo. The film is also slated to have its premiere at the Busan International Film Festival (BIFF).
Get BWT in your inbox!
Get BWT in your inbox!
What is The Great Flood?
The trailer opens on a serene, ordinary morning for An-na, an artificial intelligence researcher, and her son, Ja-in. This peace is abruptly shattered by a record-breaking flood that engulfs their world. As rain continues to fall and floodwaters rise, the film’s tense realism immerses viewers in their desperate struggle to escape.
The high-stakes journey culminates in a rooftop standoff where An-na is faced with an impossible decision. Their fight for survival takes on a new dimension with the arrival of Hee-jo, a member of a security team who carries a mysterious mission that may hold the key to humanity’s future.
The trailer also hints at larger secrets, including a rocket launching into space and unknown golden fragments, promising a story that challenges the boundaries of survival and imagination.
Watch the Trailer
The Great Flood Cast
- Kim Da-mi as An-na: An artificial intelligence researcher
- Kwon Eun-seong as Ja-in: An-na’s son
- Park Hae-soo as Hee-jo: Member of a security team
Where to watch The Great Flood Cast
Kim Da-mi
- Nine Puzzles
- The Witch: Part 2 – The Other One
- The Witch Part 1 – Subversion
- Itaewon Classroom
- Soulmate
Park Hae-soo
- Butterfly
- Karma
- Money Heist Korea: – Joint Economic Area
- Narco Saints
- Yaksha: Ruthless Operation
What is the release date?
You can watch the Great Flood exclusively on Netflix when it streams exclusively on the platform on December 19, 2025. The film will celebrate its world premiere at the 30th anniversary of the Busan International Film Festival.
