Code Lyoko
Overview
Four young friends venture into the digital realm of Lyoko, where they confront the formidable sentient AI known as XANA. Partnering with Aelita, a virtual human with unique abilities, they engage in thrilling battles to protect both the virtual and real worlds. As they navigate the challenges posed by XANA's relentless attacks, the kids must balance their daily lives with their roles as defenders, uncovering secrets and forming deep bonds along the way. The series blends adventure, technology, and camaraderie in a captivating quest against a powerful adversary.
Episodes
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1
Teddygozilla
Title: Teddygozilla Plot: Young student Milly finds solace in her teddy bear after facing humiliation and exclusion from her peers, particularly from...
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2
Seeing Is Believing
Odd decides to form a music band with his friends, but since Jeremy can't play an instrument, they look for a drummer instead. Ultimately, the best ca...
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3
Holiday in the Fog
Title: Foggy Holiday Plot: Ulrich and Jeremy are busy tagging a wall on campus while Kiwi rouses Jim from sleep. As Jim walks by, Ulrich manages to e...
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4
Log Book
Sissi stumbles upon Ulrich's cherished diary, which unfortunately contains secrets about X.A.N.A. and Lyoko. Seizing the opportunity, she plans to bla...
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5
Big Bug
The day begins with two girls chatting about Ulrich when Sissi interrupts, claiming that Ulrich is secretly in love with her. Later, Odd and Ulrich de...
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6
Cruel Dilemma
Jeremie finally completes the materialization program, but before he can bring Aelita into the real world, he realizes there are crucial preparations ...
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7
Image Problem
The episode kicks off with Yumi and Aelita sprinting through Lyoko in search of the active tower. Suddenly, Yumi vanishes! She materializes back in th...
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8
End of Take
As a director arrives in town to shoot a film, XANA takes control of a plastic alien figurine with the intent of eliminating Ulrich and his friends.
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9
Satellite
As every student's cell phone blares during class, Sissy is inspired to launch a petition to protect her own device. However, things take a turn when ...
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10
The Girl of the Dreams
Jeremie suddenly finds himself unable to reach Aelita. On the same day, a new girl named Taelia, who bears a striking resemblance to Aelita, joins the...
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11
Plagued
Title: Plagued Plot: Jeremie discovers he must pass a crucial exam to switch to a new school, which would leave XANA unchecked. Meanwhile, XANA seize...
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12
Swarming Attack
Title: Buzzing Intrigue Plot: One evening, Ulrich discovers an enigmatic note slipped beneath his door—a heartfelt letter from Yumi! As he grapples...
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13
Just in Time
The episode opens with Jeremie still focused on bringing Aelita to life. He gathers the team at the factory to reveal his latest breakthrough: a stran...
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14
The Trap
Title: The Trap Plot: On the anniversary of their first encounter with Aelita, Jeremie and his friends plan a surprise for her, oblivious to Sissi's ...
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15
Laughing Fit
After encountering laughing gas in Science class, Team Lyoko finds themselves facing it once more, this time under Xana's influence. While assisting S...
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16
Claustrophobia
After a quick soccer match, Yumi heads home, while Odd and Ulrich opt for dinner with Jeremie, who is already there. Curiosity leads Yumi to follow Je...
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17
Amnesia
While exploring the concept of NanoDoctors—tiny robots designed to heal diseases—Ulrich is accidentally pranked by Od, who shoves some of the gel ...
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18
Killer Music
After Odd downloads a new rock song, he unexpectedly falls into a coma, and soon the same track begins circulating throughout the school. XANA has unl...
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19
Frontier
Jeremie is escalating his "Materialize Aelita!" initiative to unprecedented heights—quite literally. He decides to virtualize himself, but the syste...
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20
The Robots
Herb and Jeremy are competing in a robot battle, with Herb piloting "Iron Sissy" and Jeremy controlling "Kiwi 2." In a sneaky move, Herb cheats by lau...
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21
Zero Gravity Zone
Title: Zero Gravity Zone Plot: Xana plotted to eliminate everyone using her gravitational powers, prompting Yumi, Odd, and Jeremy to head to the fact...
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22
Routine
Title: Routine Plot: Ulrich is growing increasingly frustrated with the constant reboots and his uncertainty about Yumi's feelings for him. He believ...
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23
Rock Bottom?
Title: Rock Bottom? Plot: Yumi decides to host a party at her place, prompting Odd to jump in with a plan to handle the music situation, ensuring the...
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24
Ghost Channel
Title: Ghost Channel Plot: At school, Jeremy realizes that Odd, Ulrich, and Yumi are nowhere to be found. However, they are present but trapped in a ...
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25
Code: Earth
While Jeremy fine-tunes his program to materialize Aelita, Yumi, Ulrich, and Odd are busy getting ready for her to come into the real world. Just as t...
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26
False Start
Aelita has been successfully materialized, but there's a catch: Xana has implanted a virus within her, meaning Aelita's fate is tied to Xana's. In a b...
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1
New Order
Upon realizing Aelita's connection to the supercomputer and the challenges of shutting it down, Jeremie dedicates himself to discovering improved stra...
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2
Uncharted Territory
As Aelita navigates her new existence on Earth, Jeremie and the rest of the gang delve into the enigmatic figure of Franz Hopper, the owner of the Her...
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3
Exploration
Upon uncovering The Carthage Region, the team decides to delve into its mysteries. However, Yumi has to sit this one out due to her parents growing su...
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4
A Great Day
Upon returning from another journey to The Carthage Region, Aelita confides in Jeremie about her feelings of not being human, oblivious to the fact th...
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5
Mister Puck
Title: Mister Puck Plot: When Aelita's vivid dreams and eerie visions become increasingly unnerving, the team decides to investigate their origins at...
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6
Saint Valentine's Day
On Valentine's Day, romance is in full bloom, but Ulrich accidentally overlooks the occasion. In a rush, he scribbles a poem for Yumi. However, jealou...
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7
Final Mix
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8
Missing Link
Title: Missing Link Plot: While on a mission in The Carthage Region, the Scyphozoa ambushes Yumi, capturing her human DNA and leaving her stranded in...
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9
The Chips are Down
Title: High Stakes Plot: When Ulrich discovers that Yumi may have to return to Japan due to her father's job loss, he struggles with the thought of s...
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10
Marabounta
After making sense of a section from Franz Hopper's diary, Jeremie devises a plan to create a benevolent monster. He successfully combines various tec...
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11
Common Interest
Title: Shared Concerns Plot: As the uranium core of the supercomputer starts to malfunction, Xana must take control of a local thug, Peter Duncan, to...
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12
Temptation
Following a Xana assault, Jeremie insists on making another return trip, despite there being no actual damage done by Xana. When his friends challenge...
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13
A Bad Turn
Title: A Dangerous Twist Plot: Tensions rise as Ulrich and William clash over Yumi's affections. Meanwhile, Xana triggers a tower and unleashes Krabb...
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14
Attack of the Zombies
Title: Zombie Invasion Plot: Xana takes control of Kiwi, transforming the small dog into a host for a deadly virus that turns its victims into zombie...
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15
Ultimatum
Title: Ultimatum Plot: When Xana takes control of the school principal and captures Odd and Yumi, he confronts Jeremie with a dire choice: hand over ...
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16
A Fine Mess
Following a glitch with the usual materialization system, Odd and Yumi find themselves swapped into each other's bodies. To make matters worse, their ...
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17
XANA's Kiss
Title: XANA's Kiss Plot: XANA conjures a shapeshifting phantom known as a polymorphic specter, capable of altering its appearance without needing a h...
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18
Vertigo
After returning from the Carthage Region, Jeremie is confident he has the information needed to develop a cure for Aelita's virus. While they focus on...
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19
Cold War
Jeremy wakes up to his alarm ringing, but with no towers activated, he decides to go back to sleep. The following morning, while Jeremy and Aelita are...
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20
Déjà Vu
Aelita's troubling visions return, but this time they take a different form. She begins to see herself and Franz Hopper on the run from government age...
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21
Tip-Top Shape
During the school health check-ups, Xana takes control of the nurse, Yolande, and has her abduct Aelita. The rest of the team arrives at the factory f...
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22
Is Anybody Out There?
After discovering the story of Leon Corbe, a man who died during the construction of Kadic, Sissi decides to host a séance to try and reach him. She ...
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23
Franz Hopper
Jeremie stumbles upon five active towers and quickly gathers his friends to address the situation. Upon arriving at the factory, they encounter a man ...
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24
Contact
In a short film directed by Odd and featuring Sissi, she appears to be under the influence of a ghost. However, her behavior is unusual; she begins to...
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25
Revelation
**Title: Revelation** Plot: As the year winds down, Jeremie's research hits an impasse. After gathering data from The Carthage Region, he aims to unr...
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26
The Key
After thoroughly examining Franz Hopper's diary, Jeremie uncovers significant details about the supercomputer. Hopper had been trapped in a time loop ...
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1
Straight To Heart
Title: Straight to Heart Plot: Following a lengthy three-week break, the team continues their quest to counter X.A.N.A.'s threats. Meanwhile, X.A.N.A...
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2
Lyoko Minus One
While on a field trip with her 10th-grade classmates, Yumi encounters a chilling situation as Xana takes control of the students, teachers, and even t...
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3
Tidal Wave
Xana launches an assault on the Lyoko warriors by taking control of a massive quantity of food. Concurrently, he disrupts The Mountain Sector by eleva...
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4
False Lead
Title: Misguided Trail Plot: After Xana infiltrates a weapons manufacturing system and frames Jeremie with evidence, government officials show up at ...
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5
Aelita
Title: Aelita Plot: Aelita becomes furious with Jeremie and, along with Odd, decides to venture into Lyoko secretly, leading to complications. While ...
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6
The Pretender
While Odd and Ulrich chat in the shower room, a young boy named Johnny approaches Ulrich, eager to talk. Johnny confesses his crush on Yumi, which mak...
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7
The Secret
After Yumi turns him down, William becomes determined to uncover her hidden secret. He successfully tracks Ulrich and Odd to the factory, where he dis...
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8
Temporary Insanity
Title: Temporary Insanity Plot: As Odd and Ulrich prepare to depart from Sector 5, they are struck by a mysterious red beam emitted from two Mantas...
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9
Sabotage
After Xana disrupts the supercomputer, strange glitches start appearing in Lyoko. With power depleting quickly, Jeremie must fix it before it fails en...
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10
Nobody in Particular
In an experiment aimed at bringing Ulrich into Sector 5, a mishap causes his mind and body to split apart. As a result, Ulrich's physical form is stra...
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11
Triple Trouble
Feeling left out because he lacks cool powers on Lyoko, Odd voices his frustration, prompting Jeremie to create a teleportation ability for him. While...
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12
Double Trouble
As Xana's assaults intensify, the team considers bringing on a new member to lighten their load. William remains the top choice, but Yumi's mistrust o...
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13
Final Round
After William joins the team, a chain of events leaves him and Aelita as the only defenders of Lyoko's core. During William's inaugural mission, Xana ...
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1
William Returns
Thanks to the information from Franz Hopper, Jeremie and Aelita successfully recreate Lyoko, which now contains only Sector Five. Shortly after, Willi...
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2
Double Take
To make up for William's absence while he's under XANA's influence, Jeremie focuses on creating new gear for his friends and reconstructing Lyoko. To ...
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3
Opening Act
Jim's nephew, Chris, who plays drums for the Subdigitals, arrives at Kadic to find an opening act for the band's upcoming concert. During auditions, A...
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4
Wreck Room
Title: Wreck Room Plot: A new recreational space has opened at Kadic, and the clone of William has been assigned to oversee it. Meanwhile, Jeremy is ...
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5
Skidbladnir
The nearly finished virtual submersible, which Jeremy refers to as a "submarine," just needs a secondary program to be operational by 4 PM the followi...
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6
Maiden Voyage
The gang persuades Jeremy to allow them to test the Skid, but things take a turn when the navigation system malfunctions, leaving them adrift in the d...
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7
Crash Course
Title: Crash Course Plot: Jeremy takes it upon himself to instruct Odd, Ulrich, and Yumi on navigating the Supercomputer, anticipating that he or Ael...
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8
Replika
The team heads to one of X.A.N.A.'s replica sectors in the Digital Sea. Tensions flare between Aelita and Odd when Odd's late wake-up call leads them ...
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9
I'd Rather Not Talk About It
The team seeks Jim's guidance to enhance their skills in the battle against X.A.N.A. However, their training takes a dangerous turn when X.A.N.A. seiz...
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10
Hot Shower
As a comet approaches Earth, X.A.N.A. seizes control of a military satellite armed with lasers and breaks the comet into pieces, directing most of it ...
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11
The Lake
Title: The Lake Plot: Jeremy, Aelita, Ulrich, and Odd embark on a class field trip to an island in a nearby lake to examine aquatic vegetation. Meanw...
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12
Lost at Sea
Hiroki takes Yumi's diary, but Ulrich discovers it. At the same time, Jeremy devises a program aimed at rescuing William from X.A.N.A.'s grip by locat...
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13
Lab Rat
Jeremie has successfully fine-tuned his "Teleportation" method, enabling him to transport his friends to the site of XANA's supercomputer in the real ...
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14
Bragging Rights
After their unsuccessful attempt to take down X.A.N.A.'s supercomputer in the Amazon, the team is determined to complete their mission. At the same ti...
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15
Dog Day Afternoon
Odd attempts to bring Kiwi into Lyoko but inadvertently absorbs him instead. This mishap causes Odd to develop canine characteristics, like a stronger...
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16
A Lack of Goodwill
Jeremy has created a program aimed at enhancing the intelligence of the William clone, but it's still struggling, such as attempting to toss a glass w...
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17
Distant Memory
As the holiday season approaches at Kadic, everyone prepares to head home, but Aelita finds herself without a place to go. While she monitors Lyoko, s...
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18
Hard Luck
After Odd shatters a mirror, he finds himself plagued by a streak of bad luck that follows him, even in Lyoko. This glitch in his virtual form begins ...
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19
Guided Missile
Title: Guided Missile Plot: Jeremy is thrilled to win a contest for a ride in an armed fighter jet, thanks to Odd's entry on his behalf. However, the...
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20
Kadic Bombshell
Title: Kadic Surprise Plot: When Sissi's friend from Iceland, Brynja Heringsdötir, arrives at Kadic, she quickly captivates all the boys, sparking j...
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21
Canine Conundrum
After the group can no longer tolerate Kiwi's chaotic antics, they compel Odd to take him to the factory. While Odd is dropping him off, XANA takes co...
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22
A Space Oddity
After an unexpected dorm inspection, Odd persuades Yumi to let Kiwi stay at her place. Meanwhile, Jeremie discovers the next Replika, which is a dupli...
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23
Cousins Once Removed
Jeremie's cousin, Patrick, comes for a visit, but Jeremie feels a bit overshadowed by his "super cool" relative. While searching for a new Replika, Je...
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24
Music to Soothe The Savage Beast
Title: Melodies to Tame the Wild Heart Plot: Aelita is gearing up for her debut performance with the Subdigitals, but her anxiety about performing is...
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25
Wrong Exposure
Aelita comes across a picture of herself with Franz Hopper at the Hermitage, featuring a mathematical equation in the background. Jeremie realizes tha...
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26
Bad Connection
Odd is set to showcase one of his films but is feeling uneasy about his parents attending. He feels they never criticize him, which leaves him feeling...
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27
Cold Sweat
After an embarrassing photo of Yumi appears in the Kadic newspaper, she suspects Odd is behind it. Odd cleverly shifts the blame onto Ulrich, creating...
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28
Down to Earth
Title: Grounded Plot: To take down the underestimated threat of XANA, Jeremie devises a new multi-agent system, though it’s not yet complete. In th...
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29
Fight to the Finish
With the Skid out of commission and XANA’s Replikas overwhelming in number, Jeremie diligently develops his multi-agent system. Meanwhile, Aelita is...
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30
Echoes
Title: Echoes Plot: As the team reflects on their cherished experiences in Lyoko, Sissi secretly attaches a tracking device to Ulrich to uncover thei...
