Shows Like Code Lyoko
If you loved Code Lyoko's Sci-Fi & Fantasy and Animation storytelling, these series deliver a similar experience — chosen for tone, narrative quality, and viewer satisfaction. Each includes where to stream it now.
★ Top Picks

T.U.F.F. Puppy
In the fictional city of Petropolis dog Dudley Puppy works as a spy for the organization T.U.F.F. (Turbo Undercover Fighting Force). Together with his partner, a cat named Kitty Katswell, Dudley works to protect Petropolis.

Animaniacs
Yakko, Wakko and Dot return for all-new big laughs and the occasional epic takedown of authority figures in serious need of an ego check. Joining the Warners are Starbox & Cindy on their latest play date while Pinky and the Brain's ideas for world domination lead them to all new adventures.

Amphibia
The adventures of 13-year-old, self-centered Anne Boonchuy who is magically transported to the fictitious world of Amphibia, a rural marshland full of frog-people. With the help of an excitable young frog named Sprig, Anne will become a hero and discover the first true friendship of her life.

Wakfu
Follow Yogu and his friends Amalia, Evangelyne, Tristepin, Ruel and Az as they try to rescue the world of Wakfu from destruction.

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.

LEGO DREAMZzz
A group of kids join a secret agency where they learn to use the power of imagination to journey into the Dream World and create fantastic creations in order to help sleeping children being terrorized by the evil Nightmare King who is bent on conquering the Dream World and invading the Waking World.

Danny Phantom
Danny Fenton was once your typical kid until he accidentally blew up his parents' laboratory and became ghost-hunting superhero Danny Phantom. Now half-ghost, Danny's picked up paranormal powers, but only his sister, Jazz, and best friends, Samantha and Tucker, know his secret. Danny's busy fighting ghosts, saving Casper High and hiding his new identity all while trying to graduate.

Xiaolin Showdown
Xiaolin Showdown is an American animated television series that aired on Kids WB and was created by Christy Hui. Set in a world where martial arts battles and Eastern magic are commonplace, the series follows four young warriors in training that battle the forces of evil. They do this by protecting Shen Gong Wu from villains that would use them to conquer the world. Originally airing on the Kids' WB block of programming on WB Network in 2003, the series ran for 3 seasons and 52 episodes. Typical episodes revolve around a specific Shen Gong Wu being revealed which results in both sides racing to find it. Episodes usually reach a head when one good and one evil character must challenge each other to a magical duel called a Xiaolin Showdown for possession of the artifact. A sequel series titled Xiaolin Chronicles was previewed on August 26, 2013 on Disney XD. It began its long-term run on September 14 the same year.
More Shows Like Code Lyoko

Kid vs. Kat
Ten-year-old Coop Burtonburger's life takes a turn for the worse when his little sister, Millie, brings home a mysterious stray cat who, in reality, is an evil cybernetic alien in disguise. To make matters worse, neither his family nor anyone else believes him, except for his best friend, Dennis. Now, Coop risks his life every day as he attempts to foil the cat's diabolical schemes and prove to the world that the family pet is an evil mastermind.

Generator Rex
Generator Rex, an average teenager with the ability to turn his body into amazing machines, helps the secret organization Providence save the world from the nanite threat and dangerous EVO monsters.

Captain N: The Game Master
A teenager from Earth, is brought to another universe known as Videoland to defeat the evil villainess, Mother Brain, as foretold in an Ancient Prophecy.

Pucca
"Pucca" is a TV series based on a Flash animation series published by Vooz Character Systems. It follows the trails and exploits of a South Korean girl named Pucca who is insanely in love with a prideful ninja named Garu. Meanwhile, Garu and Pucca help their town of Sooga Village out when evil ninjas attack, as well as diffuse a lot of the absurd situations that frequently plague the town. This show could best be described as a cleaned-up version of South Park meets Looney Tunes meets Naruto. There is some very subtly hidden adult humor; but most of the adult jokes would not go noticed by small children, who are the primary audience.

The Herculoids
Somewhere out in the deep space live the Herculoids. Humanoid Zandor, along with his wife Tara and son Dorno, lead a group of unique creatures: Zok the flying dragon, powerful simian Igoo, rhinoceros hybrid Tundro and two protoplasmic wonders named Gloop and Gleep. Together, they use their diverse super strengths to defend their utopian planet against attack from sinister invaders.

Fanboy and Chum Chum
Fanboy and Chum Chum are fans of all things science fiction and fantasy, and wear wild superhero costumes with their underwear on the outside. Their lives are filled with adventure, from Fanboy's teacher turning into a zombie to an ice monster operating the Frosty Freezy Freeze machine. Their pal Kyle usually tags along on their escapades. Kyle is a real wizard, but Fanboy and Chum Chum are oblivious to his mystical powers, although they live in a world of fantasy.

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.

Bravest Warriors
In the year 3085, Chris, Beth, Wallow and Danny, four teenage heroes-for-hire, warp through the universe to save adorable aliens and their worlds using the power of their emotions.

Star Wars: The Clone Wars
Yoda, Obi-Wan Kenobi, Anakin Skywalker, Mace Windu and other Jedi Knights lead the Grand Army of the Republic against the droid army of the Separatists.

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.

KaBlam!
KaBlam! is a sketch comedy television series that ran from 1996 to 2000. It features a collection of short films in several different styles of animation, bridged by the characters of Henry and June, who introduce the shorts, and have adventures of their own. The show ended its three-year run nine months short of four years on January 22, 2000.

Space Ghost and Dino Boy
Intergalactic policeman Space Ghost navigates the cosmos in his tricked-out spaceship, The Phantom Cruiser, battling villains like Brak and Zorak in his legendary suit and powerful wristbands. Dino Boy teams with caveman Ugh and dinosaur Bronty to go primeval on the ancient menaces of their primitive home.
Why These Shows Are Similar
These recommendations share core qualities with Code Lyoko (2003): Sci-Fi & Fantasy and Animation themes, similar pacing, and comparable production quality. NoBadPicks uses TMDB collaborative filtering, genre matching, and AI analysis to surface series most likely to resonate with fans of Code Lyoko.
See full details for Code Lyoko (2003)