The Legend of the Blue Sea Facts, FAQ & Common Questions
2016 · SBS · Status: Ended · Rated: Not Rated
Frequently Asked Questions About The Legend of the Blue Sea
Direct, verified answers to the most common queries regarding episodes, renewals, watch order, and streaming availability.
How many seasons and episodes does The Legend of the Blue Sea have?
The Legend of the Blue Sea has 1 season and 20 total episodes, spanning from its premiere on November 16, 2016 to January 25, 2017.
Is The Legend of the Blue Sea renewed, ended, or canceled?
The Legend of the Blue Sea has concluded its run and is officially ended.
How long does it take to binge watch The Legend of the Blue Sea?
It takes 19h 48m (1188 minutes) to watch the complete run of The Legend of the Blue Sea. At a standard pace of 2 hours per day, you will finish the entire series in approximately 10 days. Possible with dedication! Finishing this 19.8-hour series over Saturday and Sunday requires around 9.9 hours of viewing each day.
What is the highest-rated episode of The Legend of the Blue Sea?
The highest-rated episode is Season 1, Episode 4 ("Episode 4"), which holds an outstanding rating of 10/10 based on 2 audience ratings.
Where can you stream or watch The Legend of the Blue Sea?
The Legend of the Blue Sea is available for streaming on Rakuten Viki. Availability may vary by regional territory, subscription tier, and digital purchase availability.
What is the official age rating for The Legend of the Blue Sea?
The Legend of the Blue Sea has an official content rating of Not Rated.
Who are the lead actors in The Legend of the Blue Sea?
The primary ensemble cast includes Gianna Jun as Shim Cheong / Se-hwa (age 44), Lee Min-ho as Heo Joon-jae / Kim Dam-ryung (age 39), Lee Hee-jun as Jo Nam-doo / Park Moo (age 47), Shin Won-ho as Tae-oh (age 34).
Ensemble Cast & Current Ages
Lead cast members, their character identities, and current ages calculated from official biographical records:
| Actor | Character | Current Age |
|---|---|---|
| Gianna Jun | Shim Cheong / Se-hwa | 44 |
| Lee Min-ho | Heo Joon-jae / Kim Dam-ryung | 39 |
| Lee Hee-jun | Jo Nam-doo / Park Moo | 47 |
| Shin Won-ho | Tae-oh | 34 |
| Shin Rin-a | Seo Yoo-na | 17 |
| Shin Hae-sun | Cha Shi-ah | 37 |
| Moon So-ri | Ahn Jin-joo | 52 |
| Na Young-hee | Mo Yoo-ran | 65 |
Editorial Verification & Sources
All production facts, air dates, cast credentials, and streaming metadata for The Legend of the Blue Sea are compiled from official broadcaster archives, TMDB, and Wikidata records. Last verified on September 25, 2026.