1. Ninja Hattori-kun (忍者ハットリくん)
11-year-old Kenichi Mitsuba is an average kid who goes to secondary school and struggles with his studies, he is very stubborn and is very lazy and therefore always ends up frustrating his parents and teacher. He loves to find an easy way of things. He befriends Hattori Kanzo, a ninja from the Iga Clan, and he becomes part of the Mitsuba family along with his brother, Shinzo and his ninja dog, Shishimaru. Hattori helps Kenichi with his problems, and constantly keeps an eye on him, as a good friend. The main antagonist Kemumaki, a Koga ninja and his ninja cat, Kagechiyo always troubles Kenichi, mainly because of their feud over one girl, Yumeko. Kenichi asks Hattori to take revenge as a recurring storyline in many episodes. Although Hattori is a good friend, Kenichi sometimes fights with Hattori due to misunderstandings created by Kemumaki. Sometimes Jippou, Togejirou and Tsubame help him.
It has an average vote of 6.7 on TMDB.
2. 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.
3. Steins;Gate (Steins;Gate)
A group of friends have customized their microwave so that it can send text messages to the past. As they perform different experiments, an organization named SERN who has been doing their own research on time travel tracks them down and now the characters have to find a way to avoid being captured by them.
It has an average vote of 8.461 on TMDB.
4. Naruto Shippūden (ナルト 疾風伝)
After 2 and a half years Naruto finally returns to his village of Konoha, and sets about putting his ambitions to work. It will not be easy though as he has amassed a few more dangerous enemies, in the likes of the shinobi organization; Akatsuki.
It has an average vote of 8.546 on TMDB.
5. 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.
6. The Boys
A group of vigilantes known informally as “The Boys” set out to take down corrupt superheroes with no more than blue-collar grit and a willingness to fight dirty.
It has an average vote of 8.474 on TMDB.
7. 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.
8. 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.
9. 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.
10. Stranger Things
When a young boy vanishes, a small town uncovers a mystery involving secret experiments, terrifying supernatural forces, and one strange little girl.
It has an average vote of 8.606 on TMDB.
11. Doctor Who
The Doctor is a Time Lord: a 900 year old alien with 2 hearts, part of a gifted civilization who mastered time travel. The Doctor saves planets for a living—more of a hobby actually, and the Doctor's very, very good at it.
It has an average vote of 7.5 on TMDB.
12. The Simpsons
Set in Springfield, the average American town, the show focuses on the antics and everyday adventures of the Simpson family; Homer, Marge, Bart, Lisa and Maggie, as well as a virtual cast of thousands. Since the beginning, the series has been a pop culture icon, attracting hundreds of celebrities to guest star. The show has also made name for itself in its fearless satirical take on politics, media and American life in general.
It has an average vote of 8.011 on TMDB.
13. True Detective
An American anthology police detective series utilizing multiple timelines in which investigations seem to unearth personal and professional secrets of those involved, both within or outside the law.
It has an average vote of 8.3 on TMDB.
14. Squid Game (오징어 게임)
Hundreds of cash-strapped players accept a strange invitation to compete in children's games. Inside, a tempting prize awaits — with deadly high stakes.
It has an average vote of 7.83 on TMDB.
15. 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 6.9 on TMDB.
16. 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 8.698 on TMDB.
17. The Mandalorian
After the fall of the Galactic Empire, lawlessness has spread throughout the galaxy. A lone gunfighter makes his way through the outer reaches, earning his keep as a bounty hunter.
It has an average vote of 8.441 on TMDB.
18. How I Met Your Mother
A father recounts to his children - through a series of flashbacks - the journey he and his four best friends took leading up to him meeting their mother.
It has an average vote of 8.154 on TMDB.
19. Lucifer
Bored and unhappy as the Lord of Hell, Lucifer Morningstar abandoned his throne and retired to Los Angeles, where he has teamed up with LAPD detective Chloe Decker to take down criminals. But the longer he's away from the underworld, the greater the threat that the worst of humanity could escape.
It has an average vote of 8.467 on TMDB.
20. Attack on Titan (進撃の巨人)
Many years ago, the last remnants of humanity were forced to retreat behind the towering walls of a fortified city to escape the massive, man-eating Titans that roamed the land outside their fortress. Only the heroic members of the Scouting Legion dared to stray beyond the safety of the walls – but even those brave warriors seldom returned alive. Those within the city clung to the illusion of a peaceful existence until the day that dream was shattered, and their slim chance at survival was reduced to one horrifying choice: kill – or be devoured!
It has an average vote of 8.658 on TMDB.