1. Ben 10: Ultimate Alien
With his secret identity now revealed to the world, Ben Tennyson continues to fight evil as a superhero with the help of the newly acquired Ultimatrix.
It has an average vote of 8.221 on TMDB.
2. Fate/stay night (Fate/stay night)
Shirou Emiya lost his parents in a fire when he was young and was later adopted by the sorcerer Kiritsugu Emiya. Shirou is drawn into the Holy Grail War summons a female "Servant" known as Saber to protect him and obtain the Holy Grail.
It has an average vote of 7.4 on TMDB.
3. Himouto! Umaru-chan (干物妹!うまるちゃん)
People are not always who they appear to be, as is the case with Umaru Doma, the perfect high school girl—that is, until she gets home! Once the front door closes, the real fun begins. When she dons her hamster hoodie, she transforms from a refined, over-achieving student into a lazy, junk food-eating otaku, leaving all the housework to her responsible older brother Taihei. Whether she's hanging out with her friends Nana Ebina and Kirie Motoba, or competing with her self-proclaimed "rival" Sylphinford Tachibana, Umaru knows how to kick back and have some fun!</p><p></p><p>Himouto! Umaru-chan is a cute story that follows the daily adventures of Umaru and Taihei, as they take care of—and put up with—each other the best they can, as well as the unbreakable bonds between friends and siblings.
It has an average vote of 8.32 on TMDB.
4. Dexter's Laboratory
Dexter, a boy-genius with a secret laboratory, constantly battles his sister Dee Dee, who always gains access despite his best efforts to keep her out, as well as his arch-rival and neighbor, Mandark.
It has an average vote of 7.636 on TMDB.
5. Fate/Zero (Fate/Zero)
In the Holy Grail War, seven magi chosen by the Holy Grail itself must summon seven Heroic Spirits to compete for the omnipotent Grail, a magical device that grants the victor any wish they desire. After three inconclusive wars, the fuse has now been lit once again for the fourth time.
It has an average vote of 8.012 on TMDB.
6. Fate/Extra Last Encore (Fate/EXTRA Last Encore)
Hakuno Kishinami finds himself in the midst of a Holy Grail war with no memories of how he got there. Through his confusion, he must fight to survive.
It has an average vote of 7.274 on TMDB.
7. Fate/Apocrypha (Fate/Apocrypha)
The theft of the Greater Grail from Fuyuki City leads to a splintered timeline in which the Great Holy Grail War is waged on an unprecedented scale.
It has an average vote of 7.5 on TMDB.
8. 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.
9. Baccano! (バッカーノ!)
During the early 1930s in Chicago, the transcontinental train, Flying Pussyfoot, is starting its legendary journey that will leave a trail of blood all over the country. At the same time in New York, the ambitious scientist Szilard and his unwilling aide Ennis are looking for missing bottles of the immortality elixir. In addition, a war between the mafia groups is getting worse. On board the Advena Avis, in 1711, alchemists are about to learn the price of immortality. Takes place in the same universe as Durarara .
It has an average vote of 7.799 on TMDB.
10. Mushi-Shi (蟲師)
Ginko, a Mushi master, travels from place to place researching the Mushi and helping people who are suffering because of it.
It has an average vote of 7.947 on TMDB.
11. Baki Hanma (範馬刃牙)
To gain the skills he needs to surpass his powerful father, Baki enters Arizona State Prison to take on the notorious inmate known as Mr. Unchained.
It has an average vote of 8.137 on TMDB.
12. WWE SmackDown
The superstars of World Wrestling Entertainment's "SmackDown" brand collide each and every Friday on WWE Friday Night SmackDown.
It has an average vote of 7.3 on TMDB.
13. Wotakoi: Love Is Hard for Otaku (ヲタクに恋は難しい)
When Narumi, an office lady who hides the fact that she is a yaoi fangirl, changes jobs, she is reunited with Hirotaka, her childhood friend who is attractive and skilled but is a hardcore gaming otaku. They decide to start dating for now, but being otaku, both of them are awkward so a serious romantic relationship is rather difficult for them...
It has an average vote of 7.406 on TMDB.
14. Blackadder
Black Adder traces the deeply cynical and self-serving lineage of various Edmund Blackadders throughout British history, from the muck of the Middle Ages to the frontline of the First World War.
It has an average vote of 7.968 on TMDB.
15. The Ren & Stimpy Show
Ren and Stimpy are a mismatch made in animation heaven with nothing in common but a life-long friendship and an incredible knack for getting into trouble. Join them in their bizarre and gross world for some outlandish situations coupled with hilarious jokes.
It has an average vote of 7.595 on TMDB.
16. Frieren: Beyond Journey's End (葬送のフリーレン)
After the party of heroes defeated the Demon King, they restored peace to the land and returned to lives of solitude. Generations pass, and the elven mage Frieren comes face to face with humanity’s mortality. She takes on a new apprentice and promises to fulfill old friends’ dying wishes. Can an elven mind make peace with the nature of life and death? Frieren embarks on her quest to find out.
It has an average vote of 8.914 on TMDB.
17. Spice and Wolf (狼と香辛料)
Lawrence, a traveling merchant searching for profit, finds a naked girl with the ears and tail of a wolf asleep in his cart. Her name is Holo – a harvest goddess with an untamed beast lurking inside who longs to return to her beloved northern home. Armed with his street smarts and her animal instincts, a simple peddler and a forgotten deity begin a journey through the wild countryside. Along their path, the riches of happiness shall be reaped, even as the bankruptcy which dwells in the human heart is exposed.
It has an average vote of 7.635 on TMDB.
18. Hellsing (ヘルシング)
Vampires exist. It is the duty of Hellsing, an organization sponsored by the British government, to hide that frightening fact and protect the blissfully unaware populace. Along with its own personal army, Hellsing also has a few secret weapons. Alucard, an incredibly powerful vampire, has been controlled by Hellsing for years. Although he dislikes being a servant to the Hellsing family, he certainly enjoys his job as Hellsing’s vampire exterminator. Seras is a fledgling vampire and a former police woman. Although reluctant to embrace her new self, she is still a valuable member of the organization. Integra Hellsing, the current leader, is usually fully capable of fulfilling her duty, but lately, vampire activity has been on the rise. Unfortunately, the cause is more alarming than anything she could have imagined...
It has an average vote of 7.94 on TMDB.
19. Wild Wild Country
When a controversial cult leader builds a utopian city in the Oregon desert, conflict with the locals escalates into a national scandal.
It has an average vote of 7.707 on TMDB.
20. Magical Girl Site (魔法少女サイト)
Aya Asagiri is a middle school girl who has problems both at school with bullying and at home from physical abuse by her brother. While browsing online, a website pops up on her computer featuring a creepy looking person. This person appears to take pity on her, and announces that she has granted Asagiri magical powers.
It has an average vote of 8.4 on TMDB.