1. Boys Over Flowers (꽃보다 남자)
Unassuming high school girl Jan-di stands up to — and eventually falls for — a spoiled rich kid who belongs to the school's most powerful clique.
It has an average vote of 8.2 on TMDB.
2. W: Two Worlds Apart (더블유)
After being pulled into the webtoon world created by her father, a surgical resident gets entangled in a murder mystery involving the story's hero.
It has an average vote of 8.492 on TMDB.
3. The Legend of the Blue Sea (푸른 바다의 전설)
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.
It has an average vote of 7.4 on TMDB.
4. I Hear Your Voice (너의 목소리가 들려)
Government tax lawyer Hye Sung meets Su Ha, who has the ability to read people's thoughts.
It has an average vote of 8.2 on TMDB.
5. Crash Landing on You (사랑의 불시착)
A paragliding mishap drops a South Korean heiress in North Korea -- and into the life of an army officer, who decides he will help her hide.
It has an average vote of 8.577 on TMDB.
6. Supergirl
Twenty-four-year-old Kara Zor-El, who was taken in by the Danvers family when she was 13 after being sent away from Krypton, must learn to embrace her powers after previously hiding them. The Danvers teach her to be careful with her powers, until she has to reveal them during an unexpected disaster, setting her on her journey of heroism.
It has an average vote of 7.3 on TMDB.
7. You
A dangerously charming, intensely obsessive young man goes to extreme measures to insert himself into the lives of those he is transfixed by.
It has an average vote of 8.1 on TMDB.
8. The Last of Us
Twenty years after modern civilization has been destroyed, Joel, a hardened survivor, is hired to smuggle Ellie, a 14-year-old girl, out of an oppressive quarantine zone. What starts as a small job soon becomes a brutal, heartbreaking journey, as they both must traverse the United States and depend on each other for survival.
It has an average vote of 8.617 on TMDB.
9. The Penthouse (펜트하우스)
A woman puts everything on the line to achieve her goal of being able to move into a luxury penthouse in the Gangnam District. In the process, she gradually finds herself turning into a monster.
It has an average vote of 8.4 on TMDB.
10. Hwarang: The Poet Warrior Youth (화랑)
An elite group of young warriors trained in morals and martial arts finds love and friendship in Silla during Korea’s ancient Three Kingdoms period.
It has an average vote of 7.9 on TMDB.
11. Youth of May (오월의 청춘)
A budding love story between a medical student and a nurse takes place in May 1980, during a time of civil unrest and military oppression in Gwangju.
It has an average vote of 8.1 on TMDB.
12. Love Revolution (연애혁명)
Gong Ju Young is a 17-year-old high school student who thinks he has found love at school when he falls in for Wang Ja Rim at first sight. But winning her heart won’t be easy. Wang Ja Rim has earned a reputation for being cold and aloof – and, at first, seems totally unimpressed by Gong Ju Young’s garish displays of affection. But Gong Ju Young won’t be deterred so easily. Persistence is the key, he thinks – and, over time, Wang Ja Rim starts to open up to her classmate. Gong Ju Young’s best buddy since elementary school is Lee Kyung Woo. Will he prove to be a help to Gong Ju Young in his quest for Wang Ja Rim’s heart – or a hindrance?
It has an average vote of 6.1 on TMDB.
13. Idle Mermaid (잉여공주)
Can a woman do anything for the sake of love? Ha Ni is a mermaid princess in the underwater empire but she longs for the human world when she sees and falls in love with a man. She transforms into a human and follows Hyun Myung to live in a temporary house for people who are preparing for employment. The pragmatic Hyun Myung is trying to find a good-paying job to provide him with a comfortable life. But will he be distracted by Ha Ni, who has just 100 days to make Hyun Myung fall in love with her so that she can remain a human?
It has an average vote of 7.3 on TMDB.
14. It's Okay to Not Be Okay (사이코지만 괜찮아)
Desperate to escape from his emotional baggage and the heavy responsibility he’s had all his life, a psychiatric ward worker begins to heal with help from the unexpected – a woman who writes fairy tales but doesn’t believe in them.
It has an average vote of 8.5 on TMDB.
15. My Love From Another Star (별에서 온 그대)
An alien who came to Earth 400 years ago is almost able to return to his own planet, but when he meets a famous actress, he doesn't want to go home.
It has an average vote of 8.3 on TMDB.
16. I Am Not a Robot (로봇이 아니야)
Kim Min Gyu has wealth and success, but lives an isolated life due to his allergy of people. He then meets and falls in love with a girl who is pretending to be a robot for her ex-boyfriend, a genius robots professor.
It has an average vote of 8.364 on TMDB.
17. Weightlifting Fairy Kim Bok-joo (역도요정 김복주)
A competitive swimmer crosses paths with his childhood friend, a rising weight lifting star, and realizes that she has a secret crush on his cousin.
It has an average vote of 8.621 on TMDB.
18. Goblin (쓸쓸하고 찬란하神-도깨비)
In his quest for a bride to break his immortal curse, a 939-year-old guardian of souls meets a grim reaper and a sprightly student with a tragic past.
It has an average vote of 8.7 on TMDB.
19. Vincenzo (빈센조)
At the age of eight, Park Joo Hyeong left for Italy after being adopted. Now an adult, he is known as Vincenzo Cassano and employed by a Mafia family as a consigliere. Due to warring Mafia factions, he flies to South Korea where he gets involved with lawyer Hong Cha Young. She is the type of attorney who will do anything to win a case. Now back in his motherland, he gives an unrivalled conglomerate a taste of his own medicine—with a side of his own version of justice.
It has an average vote of 8.535 on TMDB.
20. What's Wrong with Secretary Kim (김비서가 왜 그럴까)
Lee Young-Joon's family runs a large company and he works as the vice-president of the company. He is smart, rich and handsome, but he is arrogant. His secretary is Kim Mi-So. She has worked for him for years and she is perfect for him, but Kim Mi-So decides to quit her job.
It has an average vote of 8.4 on TMDB.
21. Love Alarm (좋아하면 울리는)
Love Alarm is an app that tells you if someone within a 10-meter radius has a crush on you. It quickly becomes a social phenomenon. While everyone talks about it and uses it to test their love and popularity, Jojo is one of the few people who have yet to download the app. However, she soon faces a love triangle situation between Sun-oh whom she starts to have feelings for, and Hye-young, who has had a huge crush on her.
It has an average vote of 8.4 on TMDB.