The Legend of the Blue Sea
“How can a mermaid from the Joseon era survive in modern-day Seoul?”
A mermaid from the Joseon period ends up in present-day Seoul, where she crosses paths with a swindler who may have ties to someone from her past.
Where to watch The Legend of the Blue Sea in United States
Rakuten VikiClick a service to open The Legend of the Blue Sea there. Availability last verified on July 12, 2026.
Where is The Legend of the Blue Sea streaming around the world?
| Country | Streaming on | Rent / Buy |
|---|---|---|
| United States | Rakuten Viki | — |
| Canada | Rakuten Viki | — |
| Germany | Rakuten Viki | — |
| Japan | Amazon Prime Video, Disney Plus, Amazon Prime Video with Ads | — |
| South Korea | Netflix, Watcha, Netflix Standard with Ads | — |
About The Legend of the Blue Sea
The Legend of the Blue Sea is a 2016 Korean-language comedy, drama and sci-fi & fantasy series created by Park Ji-eun. The cast is led by Gianna Jun, Lee Min-ho, Lee Hee-jun. It spans 1 season and 20 episodes and has concluded. Viewers rate it 7.4/10 across 200 ratings. In United States, it is currently streaming on Rakuten Viki.
The Legend of the Blue Sea was produced by Studio Dragon and Culture Depot and made in Palau and South Korea. It was first aired on November 16, 2016, and carries a U/A 16+ certification.
- Director
- Jin Hyuk
- Created by
- Park Ji-eun
- Writers
- Park Ji-eun
- First aired
- November 16, 2016
- Last aired
- January 25, 2017
- Original language
- Korean
- Age rating
- U/A 16+
- Status
- Ended
- Seasons
- 1 (20 episodes)
- Network
- SBS
- Country
- Palau, South Korea
- Production
- Studio Dragon, Culture Depot
The Legend of the Blue Sea cast & crew
The Legend of the Blue Sea was created by Park Ji-eun and written by Park Ji-eun.
The cast features Gianna Jun as Shim Cheong / Se-hwa, Lee Min-ho as Heo Joon-jae / Kim Dam-ryung, Lee Hee-jun as Jo Nam-doo / Park Moo, Shin Won-ho as Tae-oh, Shin Rin-a as Seo Yoo-na, and Shin Hae-sun as Cha Shi-ah.
Behind the camera, it was produced by Jinnie Choi and Jong Byeong Bae.
Is The Legend of the Blue Sea worth watching?
The Legend of the Blue Sea holds an audience score of 7.4/10 from 215 ratings, marking it as well-reviewed comedy series.
With 1 season and 20 episodes, it's a meaty weekend watch.
If you enjoy comedy, drama, and sci-fi & fantasy, The Legend of the Blue Sea is worth a place on your watchlist.
How and where to watch The Legend of the Blue Sea
In United States, you can stream The Legend of the Blue Sea on Rakuten Viki. Click any service above to open it directly.
Streaming rights change country by country and month by month, so the options above reflect United States today — switch your country at the top of the where-to-watch section to see availability elsewhere.
Rate & review
Your rating and review are saved privately in this browser — no account needed.
Cast of The Legend of the Blue Sea
Gianna Jun
Shim Cheong / Se-hwa
Lee Min-ho
Heo Joon-jae / Kim Dam-ryung
Lee Hee-jun
Jo Nam-doo / Park Moo
Shin Won-ho
Tae-oh
Shin Rin-a
Seo Yoo-na
Shin Hae-sun
Cha Shi-ah
Moon So-ri
Ahn Jin-joo
Na Young-hee
Mo Yoo-ran
Hwang Shin-hye
Kang Seo-hee/Kang Ji-yeon
Oh Yeon-ah
Young Kang Seo-hee/Kang Ji-yeon/Hong Nan
Lee Ji-hoon
Heo Chi-hyun
Park Hae-soo
Hong Dong-pyo
The Legend of the Blue Sea — FAQs
▸Where can I watch The Legend of the Blue Sea in United States?
The Legend of the Blue Sea is streaming on Rakuten Viki in United States.
▸Is The Legend of the Blue Sea on Rakuten Viki?
Yes — The Legend of the Blue Sea is currently available on Rakuten Viki in United States.
▸What language is The Legend of the Blue Sea in?
The Legend of the Blue Sea is originally in Korean. Subtitle and dub options vary by streaming service.
▸How many seasons of The Legend of the Blue Sea are there?
The Legend of the Blue Sea has 1 season with 20 episodes in total.
▸What is The Legend of the Blue Sea rated?
The Legend of the Blue Sea is rated U/A 16+. It holds a 7.4/10 audience score from 215 ratings.
More like The Legend of the Blue Sea
