The Legend of the Blue Sea backdrop
Comedy•Drama•Sci-Fi & Fantasy

The Best Episodes of The Legend of the Blue Sea Season 1

Every episode of The Legend of the Blue Sea Season 1 ranked from best to worst. Discover the Best Episodes of The Legend of the Blue Sea Season 1!

Binge this in 19h 48m•Peaking at 8.5/10

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.

Airs on
SBS
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes

Seasons1

All1

Episode Rankings

  1. #1 Fan Favorite
    The Legend of the Blue Sea Season 1 Episode 1 - Destiny
    7.7/10(232 votes)

    #1 - Destiny

    S1:E1

    In 1958, the nobleman Dam-Ryung releases a mermaid back into the ocean. In present-day Seoul, the figure of conman Joon-Jae stands on the same spot.

    Director:Unknown
    Writer:Park Ji-eun

    Be the first to start the conversation for this episode

  2. The Legend of the Blue Sea Season 1 Episode 2 - Meet
    8.0/10(175 votes)

    #2 - Meet

    S1:E2

    Joon-Jae brings a beautiful woman back to his hotel, unaware that she's a mermaid. Jin-Ok realizes she's been scammed and sends men after Joon-Jae.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  3. The Legend of the Blue Sea Season 1 Episode 3 - Find Again
    8.1/10(163 votes)

    #3 - Find Again

    S1:E3

    With no memory, Joon-Jae finds himself alone on a beach next to a jade bracelet and a single pearl. Meanwhile, the mermaid crosses the ocean to Seoul.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  4. The Legend of the Blue Sea Season 1 Episode 4 - Premonition
    8.1/10(158 votes)

    #4 - Premonition

    S1:E4

    At the aquarium, Joon-Jae runs into a woman being chased by security. Feeling a sense of déjà vu, Joon-Jae rescues her and brings her home.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  5. The Legend of the Blue Sea Season 1 Episode 5 - Reduplicate
    8.2/10(139 votes)

    #5 - Reduplicate

    S1:E5

    Joon-Jae lives with the woman who he names Sim Chung. Fugitive Dae-Young has been on the run for 3 months when a murder occurs near Joon-Jae's house.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  6. The Legend of the Blue Sea Season 1 Episode 6 - Jealousy
    8.3/10(143 votes)

    #6 - Jealousy

    S1:E6

    Sim Chung is involved in a traffic accident. Joon-Jae rushes to the hospital to find her in critical condition.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

    7. Trending NowTRENDING NOW

    The 20 BEST Episodes of The Legend of the Blue Sea

    READ
  7. The Legend of the Blue Sea Season 1 Episode 7 - Jealousy for Love
    8.2/10(140 votes)

    #7 - Jealousy for Love

    S1:E7

    Joon-Jae tells Sim Chung he loves her. Meanwhile, detective Hong comes across Dae-Young while investigating a murder.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  8. The Legend of the Blue Sea Season 1 Episode 8 - Sincere
    8.1/10(133 votes)

    #8 - Sincere

    S1:E8

    Jung-Hoon teaches Sim Chung that jealousy is the way to a man's heart. Meanwhile, Joon-Jae sees an image of a man with a mermaid on an ancient vase.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  9. The Legend of the Blue Sea Season 1 Episode 9 - Reveal
    8.1/10(135 votes)

    #9 - Reveal

    S1:E9

    Joon-Jae finally faces off with his pursuer Dae-Young. He suffers a major injury and confesses his feelings to Sim Chung before losing consciousness.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  10. The Legend of the Blue Sea Season 1 Episode 10 - Altruism
    8.5/10(146 votes)

    #10 - Altruism

    S1:E10

    In a museum, Joon-Jae sees a figure in a painting that looks just like him. Unable to identify the figure as Dam-Ryung, he grows distraught.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  11. The Legend of the Blue Sea Season 1 Episode 11 - Hurt
    8.2/10(137 votes)

    #11 - Hurt

    S1:E11

    Sim Chung leaves the house after learning Joon-Jae is a conman. In a panic, Joon-Jae desperately searches for her.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  12. The Legend of the Blue Sea Season 1 Episode 12 - Sweet
    8.3/10(133 votes)

    #12 - Sweet

    S1:E12

    Joon-Jae is arrested by detective Hong. When Sim Chung realizes they are in danger, she tracks them down.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  13. The Legend of the Blue Sea Season 1 Episode 13 - Episode 13
    8.2/10(133 votes)

    #13 - Episode 13

    S1:E13

    Joon-Jae is still having strange dreams. Sim Chung hears Joon-Jae say the name Se-Hwa in his sleep. She asks him who he is talking about.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  14. The Legend of the Blue Sea Season 1 Episode 14 - Episode 14
    8.2/10(130 votes)

    #14 - Episode 14

    S1:E14

    With Professor Jin's help, Joon-Jae learns he is an ancestor of Dam-Ryung. To avoid a tragic fate, he decides to protect Sim Chung whatever it takes.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  15. The Legend of the Blue Sea Season 1 Episode 15 - Episode 15
    8.4/10(136 votes)

    #15 - Episode 15

    S1:E15

    Sim Chung's heart will stop without Joon-Jae's love. Upon learning this, Joon-Jae talks about his dreams and finding out that Sim Chung is a mermaid.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  16. The Legend of the Blue Sea Season 1 Episode 16 - Episode 16
    8.0/10(125 votes)

    #16 - Episode 16

    S1:E16

    Joon-Jae and Yoo-Ran have an emotional reunion at Sim Chung's birthday party. Joon-Jae learns why Dae-Young has been chasing him.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  17. The Legend of the Blue Sea Season 1 Episode 17 - Episode 17
    8.0/10(126 votes)

    #17 - Episode 17

    S1:E17

    After almost being caught by Dae-Young, Sim Chung erases his memory. In the process, she witnesses the final moments of Dam-Ryung and Se-Hwa.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  18. The Legend of the Blue Sea Season 1 Episode 18 - Episode 18
    8.4/10(138 votes)

    #18 - Episode 18

    S1:E18

    After Il-Joong's death, detective Hong gets a warrant to search Seo-Hee for evidence. Meanwhile, Chi-Hyun threatens Nam-Doo to get him to cooperate.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  19. The Legend of the Blue Sea Season 1 Episode 19 - Episode 19
    8.1/10(140 votes)

    #19 - Episode 19

    S1:E19

    Chi-Hyun points a gun at Joon-Jae, but Sim Chung jumps in front and is shot. She slips into a coma, causing Joon-Jae to fall into despair.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  20. The Legend of the Blue Sea Season 1 Episode 20 - Final
    7.9/10(150 votes)

    #20 - Final

    S1:E20

    Sim Chung erases Joon-Jae's memory and returns to the ocean. When Joon-Jae wakes up, there's only a single pearl next to him. Three years pass...

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

Season 1 Ratings Summary

"Destiny" is the best rated episode of "The Legend of the Blue Sea" season 1. It scored 7.7/10 based on 232 votes. Directed by Unknown and written by Park Ji-eun, it aired on 11/16/2016. This episode is rated 0.3 points higher than the second-best, "Meet".