1. Adventure Time: Distant Lands
Based on the animated series Adventure Time, these four specials explore the unseen corners of the world with both familiar and exciting brand-new characters.
It has an average vote of 8.119 on TMDB.
2. Regular Show
Two bored groundskeepers, Mordecai and Rigby are best friends who spend their days trying to entertain themselves by any means necessary, much to the displeasure of their boss. Their everyday pursuits often lead to things spiraling out of control and into the surreal.
It has an average vote of 8.632 on TMDB.
3. The Amazing World of Gumball
The life of Gumball Watterson, a 12-year old cat who attends middle school in Elmore. Accompanied by his pet, adoptive brother, and best friend Darwin Watterson, he frequently finds himself involved in various shenanigans around the city, during which he interacts with various family members: Anais, Richard, and Nicole Watterson, and other various citizens.
It has an average vote of 8.518 on TMDB.
4. Steven Universe
A young boy takes his mother's place in a group of gemstone-based beings, and must learn to control his powers.
It has an average vote of 8.395 on TMDB.
5. Futurama
The adventures of a late-20th-century New York City pizza delivery boy, Philip J. Fry, who, after being unwittingly cryogenically frozen for one thousand years, finds employment at Planet Express, an interplanetary delivery company in the retro-futuristic 31st century.
It has an average vote of 8.382 on TMDB.
6. Gravity Falls
Twin brother and sister Dipper and Mabel Pines are in for an unexpected adventure when they spend the summer helping their great uncle Stan run a tourist trap in the mysterious town of Gravity Falls, Oregon.
It has an average vote of 8.577 on TMDB.
7. Johnny Bravo
Johnny Bravo tells the story of a biceps-bulging, karate-chopping free spirit who believes he is a gift from God to the women of the earth. Unfortunately for Johnny, everyone else sees him as a narcissistic Mama's boy with big muscles and even bigger hair. In short, he is the quintessential guy who 'just doesn't get it.' No matter what he does, or where he finds himself, he always winds up being his own worst enemy.
It has an average vote of 7.251 on TMDB.
8. Marvel's Spider-Man
An insecure but courageous and intelligent teen named Peter Parker, a new student of Midtown High, is bitten by a radioactive spider and given powers. He becomes a hero named Spider-Man after the death of his uncle and he must adapt to this new way of life.
It has an average vote of 7.5 on TMDB.
9. 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 8.731 on TMDB.
10. Adventure Time: Fionna & Cake
Fionna and Cake – with the help of the former Ice King, Simon Petrikov - embark on a multiverse-hopping adventure and journey of self-discovery. All the while a powerful new antagonist determined to track them down and erase them from existence, lurks in the shadows.
It has an average vote of 9.1 on TMDB.
11. 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 7.645 on TMDB.
12. Steven Universe Future
After saving the universe, Steven is still at it, tying up every loose end. As he runs out of other people's problems to solve, he'll finally have to face his own.
It has an average vote of 8.187 on TMDB.
13. The Grim Adventures of Billy and Mandy
The exploits of the Grim Reaper, who has been forced into being the best friend of two children. A spin-off of the show Grim & Evil.
It has an average vote of 8.047 on TMDB.
14. Golden Time (ゴールデンタイム)
Banri Tada is a freshman at a Tokyo law school. After an accident, he suffers severe memory loss. Despite the incident, he befriends fellow freshman, Mitsuo Yanagisawa, which leads him to the beautiful, yet obsessive, Kouko Kaga.
It has an average vote of 8.555 on TMDB.
15. The Loud House
Welcome to the Loud House, where life can get pretty crazy. One boy, TEN girls?! Lincoln Loud wouldn’t change it for the world!
It has an average vote of 7.791 on TMDB.
16. Cow and Chicken
Follows the surreal adventures of a cow, named Cow, and her chicken brother, named Chicken. They are often antagonized by "The Red Guy", who poses as various characters to scam them.
It has an average vote of 7.1 on TMDB.
17. Static Shock
The adventures of a teenage superhero who fights crime in Dakota City.
It has an average vote of 8.077 on TMDB.
18. Kipo and the Age of Wonderbeasts
A sheltered girl gets a crash course in survival when a mutant attack sends her to the surface, far from the safety of her underground home.
It has an average vote of 8.275 on TMDB.
19. The Marvelous Misadventures of Flapjack
A young boy who grew up inside a talking whale sets sail for magical Candied Island, accompanied by Capt. K'nuckles, a crusty old pirate.
It has an average vote of 8.057 on TMDB.
20. MAD
Mad is an American animated sketch comedy series created by Kevin Shinick and produced by Warner Bros. Animation. Based upon the magazine of the same name, each episode is a collection of short animated parodies of television shows, movies, games, celebrities, and other media using various types of animation instead of the usual animation style that Warner Bros. Animation is known for. The series premiered on the evening of September 6, 2010 on Cartoon Network. It has been described as a "kid-friendly version of Robot Chicken".
It has an average vote of 8.1 on TMDB.