Code Lyoko
“Get ready to virtualize.”
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About
Four children travel to the virtual world of Lyoko to battle against a sentient artificial intelligence named XANA, with a virtual human called Aelita.
Cast
Seasons
Season 1
After discovering a parallel universe hidden inside a supercomputer, four students must stop a renegade virus from destroying the secret world.
Season 2
The Lyoko Warriors have their work cut out for them as XANA gains power, with an ability to possess humans and create even more mayhem on Earth.
Season 3
As Season 3 opens, XANA has escaped from the supercomputer and is bent on destroying Lyoko so that the Warriors will be unable to stop his evil plots.
Season 4
Jeremy and Aelita must rebuild a new Lyoko to replace the one XANA maliciously destroyed at the end of the third season.
Episodes
Season 1
Teddygozilla
A student named Milly seeks the comfort of her teddy bear after being embarrassed and ostracized due to her young age by Sissi, the school's bully/diva. Milly believes that her teddy is the only one that she can turn to for comfort and support. A corrupted super computer known as X.A.N.A. enters the real world by possessing the bear. In a quest to strike and destroy his enemies, the X.A.N.A infected teddy bear increases to an enormous size. No one is safe as this monstrosity creates a path of destruction.
Seeing Is Believing
Odd decides to start a music band with his friends. But Jeremy can't play, so they try to hire a drummer. In the end, the best drummer they can find is Nicholas (Sissi's blond-haired crony). As the group argues over whether or not to let Nicholas join the band (Ulrich and Yumi: Pro-Nicholas. Odd: Anti-Nicholas, Pro-Naomi), Jeremie alerts them that XANA is planning to overload a pylon and send this massive electric current through the telephone wires to blow up a nuclear power plant. Just in the nick of time, Aelita, Ulrich, and Odd stop XANA's plan. At the end of the episode, Odd gives in and allows Nicholas to be the drummer of his rock band.
Holiday in the Fog
Ulrich and Jeremy are doing graffiti on a wall on campus while Kiwi wakes up Jim. When Jim passes Ulrich and Jeremy, Ulrich gets away, but Jeremy just stays there and gets I'm trouble and has to stay in the campus over vacation. Sissy is being suspicious of Jeremy and thinks that he wanted to get in trouble. She asks her father to stay over the campus over her vacation, while she sorta spies on Jeremy. Jim is telling Jeremy to wash off the graffiti, then leaves while Jeremy gives Sissy the sponge and tells her (while mimicking Jim) to wash off the paint and later once again gets in trouble with Jeremy. Meanwhile, Xana has attacked again, this time spilling two toxic chemicals creating hazardous smoke. Sissy claims that she saw the smoke with arms and bumps into Jim who later finds the smoke after not believing in Jeremy and go into a small room where there is no vent and if they try to open the door, they can die. How will Yumi, Aelita, and Odd save the world and how will Ulrick find
Log Book
Sissi has found something very special and dear to Ulrich, his diary! Unfortunately the diary contains some information on X.A.N.A. and Lyoko. Sissi decides to use this as a means of blackmail to get with Ulrich. Later Odd, Ulrich, Sissi, and some of the other students are going to a pool, the bus that their riding in is X.A.N.A.'s next target. He wants to ram the bus into a chemical plant. Now the team must head to Lyoko to help Aelita get to the tower to save the students and the rest of the city.
Big Bug
The day starts off when two girls are talking about Ulrich and then Sissi goes and interrupts and tells the girls that Ulrich is hiding his affections for her. Later, Odd, and Ulrich pull a prank on Sissi, giving her a txt message about a ""true love"". While the prank is being set, people in the town are experiencing difficulties due to a strange virus, now 2 trains are going on a collision course and one of the trains has highly toxic chemicals which can kill the town's population. Yumi cannot contact Ulrich and Odd because they shut off their mobiles. The prank is being set and Sissi opens a shed which happens to be Kiwi (Odd's dog)in there and jump om Sissy. Then Od gets in trouble after bringing Kiwi on the campus. Yumi finds the 2 and try to go to the factory, but Odd is stopped by Jim and is carried over to the principal. Now to help Aelida fix Xana, they will need everyone in the group, where is Odd when you need him?
Cruel Dilemma
Jeremie is working on the materialization program, and finally gets it. Jeremie wants to matierialize Aelita, but realizes that preparations need to be made. That night, Xana possesses two bulldozers and starts to destroy the factory. Odd and Yumi go into Lyoko where she falls into a virtual black hole. In order to save Yumi's life, Jeremie has to choose between either materializing her or Aelita.
Image Problem
This episode starts out as Yumi and Aelita are running inside Lyoko looking for the activated tower. Then Yumi suddenly disappears! She comes out of Lyoko exhausted, and looks just fine! Until Yumi Comes into Jeremy's room and takes off Jeremy's glasses and deeply gazes into his eyes and Odd and Urick come in the room and they are shocked. Then Jeremy realizes that Yumi is being controlled by Xana! Then Odd, Ulrich and supposedly Yumi.... get digitized. Yumi breaks out and trys to destroy the factory. Until they find the ""real"" Yumi in an orb and then they destroy the bad Yumi and the show ends.
End of Take
When a director comes to town to film a movie, XANA posseses a plastic alien model in order to destroy Ulrich and the others.
Where does Code Lyoko rank today?
Code Lyoko is #1657 on the CineFlixo Daily Streaming Charts today.
- Highest: #1657
- Top 10: 0 days
- Top 100: 0 days
Watch Code Lyoko Online Free — All Episodes in HD
Stream Code Lyoko online free in HD on CineFlixo. A well-rated sci-fi & fantasy, animation, comedy, and action & adventure series originally produced in Francés and released in 2003, it's earned a solid 7.5/10 from 95 viewers worldwide.
About Code Lyoko
“Get ready to virtualize.”
Four children travel to the virtual world of Lyoko to battle against a sentient artificial intelligence named XANA, with a virtual human called Aelita. Across 4 seasons and 95 episodes, originally airing on France 3.
Code Lyoko Cast and Characters
The cast features Raphaëlle Lubansu (as Jeremie Belpois / Odd della Robbia (voice)), Géraldine Frippiat (as Yumi Ishiyama (voice)), Marie-Line Landerwijn (as Ulrich Stern (voice)), Sophie Landresse (as Aelita Schaeffer (voice)), and Mathieu Moreau (as William Dunbar (voice)). Their performances are a major reason Code Lyoko has built such a passionate audience.
Where to Watch Code Lyoko Online
On CineFlixo you can watch Code Lyoko free — no account, no credit card, no ads in the middle of the show. We stream the full series in 720p / 1080p HD, with subtitles when available, on any device: phone, tablet, laptop, or smart TV browser.
▶ Watch Code Lyoko NowWhy People Are Watching Code Lyoko
Code Lyoko flies under the radar but it deserves your attention. What makes it work is sharp comedic timing that lands consistently, action sequences that don't feel cheap, and world-building that respects the audience's intelligence. If you enjoy Francés storytelling that doesn't follow the same tired beats, this is the kind of show you'll end up recommending to friends.
Frequently Asked Questions about Code Lyoko
Where can I watch Code Lyoko online for free?
You can watch Code Lyoko online free on CineFlixo. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How many episodes does Code Lyoko have?
Code Lyoko has 95 episodes across 4 seasons. All episodes are available to stream right here on CineFlixo.
Is Code Lyoko good? What's the rating?
Code Lyoko holds a 7.5/10 rating based on 95 reviews — well above average.
Who is in the cast of Code Lyoko?
The main cast includes Raphaëlle Lubansu, Géraldine Frippiat, Marie-Line Landerwijn, and Sophie Landresse, plus a strong supporting ensemble.
Is Code Lyoko available in Francés?
Yes — Code Lyoko was originally produced in Francés and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.
When was Code Lyoko released?
Code Lyoko first aired in 2003.
Do I need an account to watch Code Lyoko on CineFlixo?
No. CineFlixo is free and you can watch Code Lyoko without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
Similar Series You Might Like
If you enjoyed Code Lyoko, check out Duck Dodgers, Teenage Mutant Ninja Turtles, Kayko and Kokosh, My Little Pony, and Chasing Butterfly.
Frequently Asked Questions
Where can I watch Code Lyoko for free?
You can watch Code Lyoko online for free on CineFlixo. All 95 episodes across 4 seasons are available to stream in HD without a subscription, signup, or paywall. Just open the show page and press play.
How many seasons and episodes does Code Lyoko have?
Code Lyoko currently has 4 seasons and a total of 95 episodes. The series status is "Ended", so the episode count may grow as new seasons are released. You can browse the full episode list on CineFlixo and continue watching from where you left off.
What is Code Lyoko about?
Four children travel to the virtual world of Lyoko to battle against a sentient artificial intelligence named XANA, with a virtual human called Aelita. It belongs to the Sci-Fi & Fantasy, Animation, Comedy, Action & Adventure genres.
In which language is Code Lyoko originally available?
Code Lyoko was originally produced in FR. On CineFlixo the show is available in its original FR audio. Check the player options on the watch page for available subtitle tracks.
When was Code Lyoko first released?
Code Lyoko first premiered on September 3, 2003 (2003). The series has since concluded its run.
All Seasons
Browse every season of Code Lyoko — 4 seasons in total
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