1. 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 8.587 on TMDB.
2. Orange Is the New Black
A crime she committed in her youthful past sends Piper Chapman to a women's prison, where she trades her comfortable New York life for one of unexpected camaraderie and conflict in an eccentric group of fellow inmates.
It has an average vote of 7.699 on TMDB.
3. 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 8.702 on TMDB.
4. 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.
5. 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 7.791 on TMDB.
6. Boys Over Flowers (꽃보다 남자)
A working class girl winds up at an exclusive prep school. 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 8.256 on TMDB.
7. She Was Pretty (그녀는 예뻤다)
Ji Sung Joon has a crush on the most beautiful girl in town, Kim Hye Jin - the only problem is, he's unattractive and lacks self-esteem. As fate would have it, years later Sung Joon grows up to be not only successful, but extremely attractive. However, when he runs into his first love Hye Jin, she has become unattractive and poor. Can their love transcend the vanity they both associated with each other?
It has an average vote of 8.3 on TMDB.
8. BOYS OVER FLOWERS (花より男子)
Set at a famous high school for the super-wealthy, this is a puppy love story centered on Tsukushi Makino, a poor girl, and the F4 gang of rich kids headed by the rough and fearless Prince Charming, Tsukasa Domyoji.
It has an average vote of 8.089 on TMDB.
9. Rick and Morty
Rick is a mentally-unbalanced but scientifically gifted old man who has recently reconnected with his family. He spends most of his time involving his young grandson Morty in dangerous, outlandish adventures throughout space and alternate universes. Compounded with Morty's already unstable family life, these events cause Morty much distress at home and school.
It has an average vote of 8.718 on TMDB.
10. Game of Thrones
Seven noble families fight for control of the mythical land of Westeros. Friction between the houses leads to full-scale war. All while a very ancient evil awakens in the farthest north. Amidst the war, a neglected military order of misfits, the Night's Watch, is all that stands between the realms of men and icy horrors beyond.
It has an average vote of 8.435 on TMDB.
11. Grey's Anatomy
Follows the personal and professional lives of a group of doctors at Seattle’s Grey Sloan Memorial Hospital.
It has an average vote of 8.259 on TMDB.
12. El Chavo del Ocho (El Chavo del Ocho)
The mishaps of Chavo, an 8-year-old orphan boy who lives in a barrel. Together with Quico, Chilindrina, Ñoño and La Popis, Chavo experiences a series of humorous entanglements.
It has an average vote of 7.867 on TMDB.
13. 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 8.447 on TMDB.
14. Elite (Élite)
When three working class kids enroll in the most exclusive school in Spain, the clash between the wealthy and the poor students leads to tragedy.
It has an average vote of 8.08 on TMDB.
15. Ed, Edd n Eddy
Three adolescent boys, Ed, Edd "Double D", and Eddy, collectively known as "the Eds", constantly invent schemes to make money from their peers to purchase their favorite confectionery, jawbreakers. Their plans usually fail though, leaving them in various predicaments.
It has an average vote of 7.885 on TMDB.
16. True Blood
True Blood is an American television drama series created and produced by Alan Ball. It is based on The Southern Vampire Mysteries series of novels by Charlaine Harris, detailing the co-existence of vampires and humans in Bon Temps, a fictional, small town in northwestern Louisiana. The series centers on the adventures of Sookie Stackhouse, a telepathic waitress with an otherworldly quality.
It has an average vote of 7.6 on TMDB.
Dr. Temperance Brennan and her colleagues at the Jeffersonian's Medico-Legal Lab assist Special Agent Seeley Booth with murder investigations when the remains are so badly decomposed, burned or destroyed that the standard identification methods are useless.
It has an average vote of 8.281 on TMDB.
18. Pretty Little Liars
Based on the Pretty Little Liars series of young adult novels by Sara Shepard, the series follows the lives of four girls — Spencer, Hanna, Aria, and Emily — whose clique falls apart after the disappearance of their queen bee, Alison. One year later, they begin receiving messages from someone using the name "A" who threatens to expose their secrets — including long-hidden ones they thought only Alison knew.
It has an average vote of 8.023 on TMDB.
19. Shadow Hunter
A documentary series about the paranormal, hosted by Darryll Walsh, a ghost hunter, best-selling author and doctor of parapsychology.
It has an average vote of 8.583 on TMDB.
20. Mischievous Kiss (장난스런 키스)
A clumsy high-school girl - Oh Ha-ni - is at the bottom of her class, and she has had a crush on a popular genius, Baek Seung-Jo, ever since she first laid eyes on him.
It has an average vote of 7.784 on TMDB.
21. Warrior Nun
After waking up in a morgue, an orphaned teen discovers she now possesses superpowers as the chosen Halo-Bearer for a secret sect of demon-hunting nuns.
It has an average vote of 8.112 on TMDB.