1. Avatar: The Last Airbender
In a war-torn world of elemental magic, a young boy reawakens to undertake a dangerous mystic quest to fulfill his destiny as the Avatar, and bring peace to the world.
It has an average vote of 8.721 on TMDB.
2. Haikyu!! (ハイキュー!!)
Inspired by a small-statured pro volleyball player, Shouyou Hinata creates a volleyball team in his last year of middle school. Unfortunately the team is matched up against the "King of the Court" Tobio Kageyama's team in their first tournament and inevitably lose. After the crushing defeat, Hinata vows to surpass Kageyama. After entering high school, Hinata joins the volleyball team only to find that Tobio has also joined.
It has an average vote of 8.6 on TMDB.
3. 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.
4. Trollhunters: Tales of Arcadia
After uncovering a mysterious amulet, an average teen assumes an unlikely destiny and sets out to save two worlds.
It has an average vote of 8.5 on TMDB.
5. Gleipnir (グレイプニル)
Shuichi Kagaya is an ordinary high school kid in a boring little town. But when a beautiful classmate is caught in a warehouse fire, he discovers a mysterious power: he can transform into a furry dog with an oversized revolver and a zipper down his back. He saves the girl’s life, sharing his secret with her. But she’s searching for the sister who killed her family, and she doesn’t care how degrading it gets: she will use Shuichi to accomplish her mission…
It has an average vote of 8.2 on TMDB.
6. 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 8.4 on TMDB.
7. WATAMOTE ~No Matter How I Look at It, It's You Guys Fault I'm Not Popular!~ (私がモテないのはどう考えてもお前らが悪い!)
Fifteen year old Kuroki Tomoko has dated dozens of boys and is easily the most popular girl around-- inside her dating games. In reality, she gets tongue tied just talking to people, and throughout middle school she's only had one actual friend. As she enter high school, she desperately wants to be popular, but doesn't understand that real-life doesn't work like her games. Her artificial successes pave the way to real folly and failure. But why drop this strategy when there's always someone else to blame?!
It has an average vote of 8.2 on TMDB.
8. Yu-Gi-Oh! 5D's (遊☆戯☆王5D's)
The future of dueling is revving up! And with it begins a new legend! Yu-Gi-Oh! 5D's!</p><p></p><p>Welcome to New Domino City! Once the playground to legendary duelist Yugi Muto, this sprawling metropolis has since been transformed into a futuristic society where dueling has kicked into overdrive. With recent technological advancements made by KaibaCorp, dueling has undergone a metamorphosis that has revolutionized the makeup and pace of the game! It’s now a heart-pounding, adrenaline-filled and fuel injected competition where duelists ride supercharged hyper cycles called Duel Runners and battle it out in hi-octane contests called “Turbo Duels.” The winners and losers aren’t just separated by skill and strength… but by SPEED!</p><p></p><p>However, for five special duelists, it's not just about winning or losing anymore - it's about survival, for they are the chosen "Signers" who have been marked by destiny to uncover the secrets of the five dragons!
It has an average vote of 8.1 on TMDB.
9. Fullmetal Alchemist (鋼の錬金術師)
Two young brothers are raised as alchemists, but when they are severely injured trying to perform a forbidden act, they begin searching for the one thing that can save them; the fabled philosopher's stone.
It has an average vote of 8.2 on TMDB.
10. Kick Buttowski: Suburban Daredevil
Clarence Buttowski, a young boy, aspires to become the world's greatest daredevil, as he gets help from Gunther, his loyal friend and partner-in-crime.
It has an average vote of 8.1 on TMDB.
11. Noblesse (NOBLESSE -ノブレス-)
Rai wakes up from 820-years long sleep and starts his new life as a student in a high school founded by his loyal servant, Frankenstein. But his peaceful days with other human students are soon interrupted by mysterious attackers known as the "Unions".
It has an average vote of 8.5 on TMDB.
12. The Irregular at Magic High School (魔法科高校の劣等生)
In a world where magic is not a fairy tale but has existed for one hundred years siblings Tatsuya and Miyuki Shiba prepare to begin their studies at the elite Private Magic University Affiliated High School . Entering on different levels of the academic spectrum the two turn the once peaceful campus into a chaotic one.
It has an average vote of 7.9 on TMDB.
13. Hamtaro (とっとこハム太郎)
The cute and cuddly pet of 10-year-old Laura, Hamtaro is a small hamster with a big sense of adventure! Join Hamtaro and the adorable rodent rascals who captured the hearts of millions of children the world over.
It has an average vote of 7.9 on TMDB.
14. Fire Force (炎炎ノ消防隊)
Year 198 of the Solar Era in Tokyo, special fire brigades are fighting against a phenomenon called spontaneous human combustion where humans beings are turned into living infernos called "Infernals". While the Infernals are first generation cases of spontaneous human combustion, later generations possess the ability to manipulate flames while retaining human form. Shinra Kusakabe, a youth who gained the nickname Devil's Footprints for his ability to ignite his feet at will, joins the Special Fire Force Company 8 which composes of other flames users as they work to extinguish any Infernals they encounter. As a faction that is creating Infernals appears, Shira begins to uncover the truth behind a mysterious fire that caused the death of his family twelve years ago.
It has an average vote of 8.4 on TMDB.
15. High School of the Dead (学園黙示録 HIGHSCHOOL OF THE DEAD)
One morning, the high school student Takashi Komuro enjoys the silence at school when he's suddenly interrupted by strange noises and a shaky-legged person who tries to enter the school grounds. Subsequently, several teachers come to the school gate to shoo the person away. All of a sudden, a teacher is bitten by the person and within seconds the school campus becomes a place of violence, blood, death and undead zombies. Takashi, shocked by the scenery, runs for his life to save his schoolmates and childhood love, Rei Miyamoto. The struggle for survival has just begun…
It has an average vote of 8.2 on TMDB.
16. Please Teacher! (おねがい☆ティーチャー)
Kusanagi Kei, a high-school student living with his aunt and uncle, has an encounter with a female alien. This alien is revealed to be a new teacher at his school. Later, he is forced to marry this alien to preserve her secrets. From there, various romantically-inclined problems crop up repeatedly.
It has an average vote of 8.1 on TMDB.
17. Young Justice
Teenage superheroes strive to prove themselves as members of the Justice League.
It has an average vote of 8.417 on TMDB.
18. X (X−エックス−)
It's the year of destiny and 15 year old Kamui Shirō, a powerful psychic, has returned to Toyko after a 6 year absence. He returns to protect his childhood friends, Fūma, and Fūma's younger sister, Kotori. But destiny and fate are haunting Kamui and pulling in himself and his loved ones. It is his destiny to decide the fate of the world and mankind, no matter if he wants the role or not.
It has an average vote of 7.5 on TMDB.
19. Eyeshield 21 (アイシールド21)
In Tokyo, a weak, unassertive boy named Sena Kobayakawa enters the high school of his choice, Deimon Private Senior High School. Sena's only remarkable physical abilities are his running speed and agility, which are noted by the school's American football team captain Yoichi Hiruma. Hiruma forces Sena to join the Deimon Devil Bats football team as its running back. To protect his identity from other teams who want to recruit him, Sena is forced to publicly assume the role of the team secretary and enter the field under the pseudonym of "Eyeshield 21" wearing a helmet with an eyeshield to hide his features.
It has an average vote of 8.4 on TMDB.
20. 40 y 20 (40 y 20)
A comedy series about a divorced dad who likes younger women, and his son who likes older women.
It has an average vote of 8.1 on TMDB.
21. xxxHOLiC (XXX ホリック)
Kimihiro Watanuki is a high school student plagued by ayakashi spirits, both of which are invisible to everyone else but him. The series begins when Watanuki stumbles, seemingly by chance, into a shop that grants wishes. The shop is owned by Yūko Ichihara, a mysterious witch of many names and esoteric renown. For a price, she offers to grant Watanuki's wish to be rid of the spirits. The price, according to Yūko, must be of equal value; so, as payment, he must become Yūko's temporary, part-time cook and housekeeper.
It has an average vote of 7.2 on TMDB.