1. The Midnight Romance in Hagwon (졸업)
A secret and sweet real-life romance between veteran academy instructor Seo Hye-jin and her flirty student Lee Joon-ho, who returns after 10 years and stirs her heart.
It has an average vote of 6.8 on TMDB.
2. Player (플레이어)
The story about the revenge of four talented individuals in their respective fields who create an elite team to solve crimes.
It has an average vote of 7.4 on TMDB.
3. 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 8.453 on TMDB.
4. Breaking Bad
Walter White, a New Mexico chemistry teacher, is diagnosed with Stage III cancer and given a prognosis of only two years left to live. He becomes filled with a sense of fearlessness and an unrelenting desire to secure his family's financial future at any cost as he enters the dangerous world of drugs and crime.
It has an average vote of 8.913 on TMDB.
5. The Acolyte
A hundred years before the rise of the Empire, the Jedi Order and the Galactic Republic have prospered for centuries without war. During this time, an investigation into a shocking crime spree pits a Jedi Master against a dangerous warrior from his past.
It has an average vote of 5.669 on TMDB.
6. The Adventures of Jimmy Neutron: Boy Genius
Jimmy Neutron is the smartest kid in town. As a genius, Jimmy thinks most things can be solved with the invention of a new gizmo. But Jimmy usually takes the easy way out, and his backfiring gadgets result in comedic adventures.
It has an average vote of 7.401 on TMDB.
7. Prison Break
Due to a political conspiracy, an innocent man is sent to death row and his only hope is his brother, who makes it his mission to deliberately get himself sent to the same prison in order to break the both of them out, from the inside out.
It has an average vote of 8.08 on TMDB.
8. Chernobyl
The true story of one of the worst man-made catastrophes in history: the catastrophic nuclear accident at Chernobyl. A tale of the brave men and women who sacrificed to save Europe from unimaginable disaster.
It has an average vote of 8.674 on TMDB.
9. Elfen Lied (エルフェンリート)
The Diclonius, a mutated homo sapien that is said to be selected by God and will eventually become the destruction of mankind, possesses two horns in their heads, and has a "sixth sense" which gives it telekinetic abilities. Due to this dangerous power, they have been captured and isolated in laboratories by the government. Lucy, a young and psychotic Diclonius, manages to break free of her confines and brutally murder most of the guards in the laboratory, only to get shot in the head as she makes her escape. She survives and manages to drift along to a beach, where two teenagers named Kouta and Yuka discovers her. Having lost her memories, she was named after the only thing that she can now say, "Nyuu," and the two allow her to stay at Kouta's home. However, it appears that the evil "Lucy" is not dead just yet...
It has an average vote of 8.338 on TMDB.
10. Oshi No Ko (【推しの子】)
Dr. Goro is reborn as the son of the young starlet Ai Hoshino after her delusional stalker murders him. Now, he wants to help his new mother rise to the top, but what can a child do about the dark underbelly of the entertainment industry?
It has an average vote of 8.3 on TMDB.
11. Arifureta: From Commonplace to World's Strongest (ありふれた職業で世界最強)
Hajime Nagumo and his high school class are suddenly summoned to a fantastical land as heroes. But while most of his classmates have powerful stats and abilities, Hajime does not. Underappreciated and unprepared, he tumbles into the depths of a monster-infested dungeon where voracity and sacrifice are his only options. To thrive in this savage world, he’ll have no choice but to welcome the abyss.
It has an average vote of 8.544 on TMDB.
12. The Walking Dead
Sheriff's deputy Rick Grimes awakens from a coma to find a post-apocalyptic world dominated by flesh-eating zombies. He sets out to find his family and encounters many other survivors along the way.
It has an average vote of 8.115 on TMDB.
13. Seven Deadly Sins
The series traces the history of the seven deadly sins, how they became part of religious doctrine, and looks at historical figures who have been the worst perpetrators of each. Each of the seven sins is explored, from their origins and nature, their opposing virtue, and their corresponding punishment.
It has an average vote of 7.7 on TMDB.
14. The Bear
Carmy, a young fine-dining chef, comes home to Chicago to run his family sandwich shop. As he fights to transform the shop and himself, he works alongside a rough-around-the-edges crew that ultimately reveal themselves as his chosen family.
It has an average vote of 8.299 on TMDB.
15. Alchemy of Souls (환혼)
A powerful sorceress in a blind woman's body encounters a man from a prestigious family, who wants her help to change his destiny.
It has an average vote of 8.646 on TMDB.
16. Scooby-Doo, Where Are You!
Fred, Daphne, Velma, Shaggy, and the talking dog, Scooby-Doo, travel on the Mystery Machine van, in search of weird mysteries to solve.
It has an average vote of 7.828 on TMDB.
17. Downton Abbey
A chronicle of the lives of the aristocratic Crawley family and their servants in the post-Edwardian era—with great events in history having an effect on their lives and on the British social hierarchy.</p><p></p><p>
It has an average vote of 8.11 on TMDB.
18. Teen Titans Go!
Robin, Starfire, Raven, Beast Boy and Cyborg return in all-new, comedic adventures. They may be super heroes who save the world every day ... but somebody still has to do the laundry!
It has an average vote of 6.58 on TMDB.
19. The Big Bang Theory
Physicists Leonard and Sheldon find their nerd-centric social circle with pals Howard and Raj expanding when aspiring actress Penny moves in next door.
It has an average vote of 7.905 on TMDB.
20. It
In 1960, seven outcast kids known as "The Losers' Club" fight an evil demon who poses as a child-killing clown. Thirty years later, they reunite to stop the demon once and for all when it returns to their hometown.
It has an average vote of 6.913 on TMDB.