1. 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 8.661 on TMDB.
2. 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 8.346 on TMDB.
3. 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 8.643 on TMDB.
4. Descendants of the Sun (태양의 후예)
After a chance meeting in a hospital, an ardent soldier falls for a gifted surgeon. Opposing philosophies tear them apart, but fate has other plans.
It has an average vote of 8.4 on TMDB.
5. The King: Eternal Monarch (더 킹 : 영원의 군주)
Korean emperor Lee Gon tries to close the doors to a parallel world which was opened by demons; a detective tries to protect the people and the one she loves.
It has an average vote of 8.424 on TMDB.
6. The Heirs (상속자들)
After a chance encounter in LA, two teens from different social backgrounds reunite at an exclusive high school attended by Korea's über rich.
It has an average vote of 7.8 on TMDB.
7. Loki
After stealing the Tesseract during the events of “Avengers: Endgame,” an alternate version of Loki is brought to the mysterious Time Variance Authority, a bureaucratic organization that exists outside of time and space and monitors the timeline. They give Loki a choice: face being erased from existence due to being a “time variant” or help fix the timeline and stop a greater threat.
It has an average vote of 8.2 on TMDB.
8. 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 8.405 on TMDB.
9. Pinocchio (피노키오)
Choi Dal-po, a man whose family was ruined by a news channel, and Choi In-ha, his friend who has the Pinocchio Syndrome forbidding her from speaking lies, become journalists and strive to fight for justice.
It has an average vote of 8.3 on TMDB.
10. Sweet Home (스위트홈)
As humans turn into savage monsters and wreak terror, one troubled teen and his apartment neighbors fight to survive — and to hold on to their humanity.
It has an average vote of 8.429 on TMDB.
11. 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 8.572 on TMDB.
12. True Beauty (여신강림)
Lim Ju-kyung is a high school student. Since she was little, she has had a complex about her appearance. To hide her bare face, Ju-kyung always wears make-up. Her excellent make-up skills make her pretty and she hides her bare face in front of others. She gets involved with 2 men; Lee Su-ho and Han Seo-jun.
It has an average vote of 8.473 on TMDB.
13. She Was Pretty (그녀는 예뻤다)
After a complete reversal of fortune and looks, childhood sweethearts reunite for the first time in 15 years as employees at a fashion magazine.
It has an average vote of 8.26 on TMDB.
14. Hotel Del Luna (호텔 델루나)
When he's invited to manage a hotel for dead souls, an elite hotelier gets to know the establishment's ancient owner and her strange world.
It has an average vote of 8.6 on TMDB.
15. Oh My Venus (오 마이 비너스)
Dumped by her boyfriend of 15 years for gaining weight, a lawyer gets help from a hotshot personal trainer to get in shape and turn her life around.
It has an average vote of 8.185 on TMDB.
16. Are You Human? (너도 인간이니)
Nam Shin is a son from a family who runs a large company. After an unexpected accident, he falls into a coma. His mother Oh Ro-Ra is an authority on brain science and artificial intelligence. She creates an android named Nam Shin III which looks like just like her son Nam Shin. The android pretends to be Nam Shin and he has a bodyguard So-Bong.
It has an average vote of 8.511 on TMDB.
17. Doctors (닥터스)
A recalcitrant, delinquent teen girl meets a compassionate teacher, who inspires her to alter her path and become a street-savvy neurosurgeon.
It has an average vote of 8.229 on TMDB.
18. Hwarang: The Poet Warrior Youth (화랑)
Set during the Silla dynasty, Sam Maekjong is the son of the fallen king and present queen regent, Jiso, but he has been kept in hiding for protection ever since he was a young boy, when his father was murdered. Over the years the powerful nobles have tried and failed to usurp power from Jiso, causing her to grow wary and later even reluctant to hand the throne over. As her son comes of age, she creates the Hwarang, an elite group of male youth who train in fighting and education. Their existence cuts across the existing power factions and Sam Maekjong is amidst their ranks under the false name Kim Ji-Dwi, unbeknownst to other Hwarang members.
It has an average vote of 8.097 on TMDB.
19. Squid Game (오징어 게임)
Hundreds of cash-strapped players accept a strange invitation to compete in children's games—with high stakes. But, a tempting prize awaits the victor.
It has an average vote of 7.831 on TMDB.
20. The Vampire Diaries
The story of two vampire brothers obsessed with the same girl, who bears a striking resemblance to the beautiful but ruthless vampire they knew and loved in 1864.
It has an average vote of 8.337 on TMDB.
21. Scarlet Heart: Ryeo (달의 연인 - 보보경심 려)
A story of a 25-year old Go Ha-jin who is transported back in time to the Goryeo Dynasty. She then wakes up in the body of Lady Hae-soo and finds herself amongst the ruling princes of the Wang Family.
It has an average vote of 8.635 on TMDB.