1. 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 7.6 on TMDB.
2. I Am Weasel
The adventures of the noble, generous, intelligent and good-at-everything I.M. Weasel, who must compete once again with his arch-enemy, the bumbling, brainless and utterly talentless I.R. Baboon.
It has an average vote of 7.2 on TMDB.
3. Harvey Birdman, Attorney at Law
Harvey Birdman, Attorney at Law features ex-superhero Harvey T. Birdman of Birdman and the Galaxy Trio as an attorney working for a law firm alongside other cartoon stars from 1960s and 1970s Hanna-Barbera cartoon series. Similarly, Harvey's clients are also primarily composed of characters taken from Hanna-Barbera cartoon series of the same era. Many of Birdman's nemeses featured in his former cartoon series also became attorneys, often representing the opposing side of a given case.
It has an average vote of 8.024 on TMDB.
4. 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 7.2 on TMDB.
5. Camp Lazlo
The series is set in a universe inhabited solely by anthropomorphic animals of many species and focuses on a trio of campers attending a poorly run summer camp known as Camp Kidney. The trio consists of Lazlo, the eccentric, optimistic spider monkey; Raj, the timid Indian elephant; and Clam, the quiet albino pygmy rhinoceros, and their multiple surreal misadventures.
It has an average vote of 6.8 on TMDB.
6. Pinky and the Brain
Pinky and Brain are genetically enhanced laboratory mice who reside in a cage in the Acme Labs research facility. Brain is self-centered and scheming; Pinky is good-natured but feebleminded. In each episode, Brain devises a new plan to take over the world, which ultimately ends in failure, usually due to Pinky's idiocy, the impossibility of Brain's plan, Brain's own arrogance, or just circumstances beyond their control.
It has an average vote of 7.7 on TMDB.
7. Akikan! (アキカン!)
Daichi Kakeru is a high school student who has never had a girlfriend. Little did he know that everything was about to change when he bought a melon soda on his way home from school as the can came to life in the form of a girl, whom he calls "Melon".
It has an average vote of 7.6 on TMDB.
8. The Powerpuff Girls
Three colorful, sugarcoated kids trying to juggle school and save the world before bedtime.
It has an average vote of 5.1 on TMDB.
9. The Blackout (Аванпост)
In the near future, life on earth is destroyed except for a small area in Eastern Europe. Russian military fights off hoards of remaining humans controlled by aliens and work to prevent a successful invasion by an alien force set on conquering the plant.
It has an average vote of 7 on TMDB.
10. Cosmo Warrior Zero (コスモウォーリアー零)
The time of oppression and lawlessness in deep space has begun. In order to preserve itself, humanity has reluctantly accepted peace with the invading force of mechanical people. Warrius Zero, a mercenary armada captain, has lost his immediate family during the war for Earth. Reduced to serving the mechanized victors, Zero carries out his orders without the will to resist. Now he has received a mission unlike any other. Zero has been commanded to travel to the farthest reaches of the universe to hunt down a single wanted man known to all as Space Pirate Harlock.
It has an average vote of 6.4 on TMDB.
11. La strana coppia (La strana coppia)
(La strana coppia)
It has an average vote of 6 on TMDB.
12. Scooby-Doo!: Behind the Scenes
A series of eight shorts that aired on Cartoon Network during commercial breaks in the 25 Hours of Doo marathon in 1998.
It has an average vote of 10 on TMDB.
13. Wet Hot American Summer: Ten Years Later
A decade after their wild summer as junior counselors, the gang reunites for a weekend of bonding, hanky-panky and hair-raising adventures.
It has an average vote of 6.4 on TMDB.
14. Pingu
Playful penguin Pingu lives with his family in Antarctica, where he often finds himself caught up in mischievous high jinks with his pal Robby.
It has an average vote of 6.8 on TMDB.
15. Club Hooligans (Barrabrava)
After vicious infighting, two brothers are expelled of their beloved team’s gang. Alone, without money or political protection, they start a war that puts their brotherhood to the test.
It has an average vote of 7.923 on TMDB.
16. Ed, Edd n Eddy
Three adolescent boys, Ed, Edd "Double D", and Eddy, collectively known as "the Eds", constantly invent schemes to make money from their peers to purchase their favorite confectionery, jawbreakers. Their plans usually fail though, leaving them in various predicaments.
It has an average vote of 7.847 on TMDB.
17. 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 7.6 on TMDB.
18. Gargoyles
In Scotland, 994 A.D. Goliath and his clan of gargoyles defend a medieval castle. In present day, David Xanatos buys the castle and moves it to New York City. When the castle is attacked the gargoyles are awakened from a 1000 year curse.
It has an average vote of 8.1 on TMDB.
19. Aaahh!!! Real Monsters
Three young monsters — Ickis, Oblina and Krumm — attends an institute for monsters under a city dump and learn to frighten humans.
It has an average vote of 7.8 on TMDB.
20. My Life as a Teenage Robot
My Life as a Teenage Robot is an American animated science fantasy television series, created by Rob Renzetti for Nickelodeon. It was Nickelodeon's first animated science fiction fairy tale. The series follows the adventures of XJ-9, better known as Jenny Wakeman, a robot girl designed to protect Earth, who is excessively addicted to teen-related activities, which are almost always interrupted by Nora Wakeman, her creator and mother.
It has an average vote of 7.4 on TMDB.