After discovering a parallel universe called Lyoko hidden inside a supercomputer, plucky students Jeremie, Odd, Ulrich and Yumi must embark on a quest to stop a renegade virus from destroying the secret world.
After discovering a parallel universe called Lyoko hidden inside a supercomputer, plucky students Jeremie, Odd, Ulrich and Yumi must embark on a quest to stop a renegade virus from destroying the secret world completely.
Season 1 : Episode 1 23 minutesTeddygozilla
The XANA supercalculator has mounted another attack against our planet. This time, it has taken control of little Milly's teddy bear.
- 2Seeing Is Believing
Season 1 : Episode 2 23 minutesSeeing Is Believing
While Odd is trying to form a new band, XANA takes control of the school's electricity supply.
- 3Holiday in the Fog
Season 1 : Episode 3 23 minutesHoliday in the Fog
Jeremy manages to get grounded for the whole school holiday period. He wants to be there in case XANA decides to launch an attack over the break.
- 4Log Book
Season 1 : Episode 4 23 minutesLog Book
Sissi uses Ulrich's diary against him so that he'll be forced to pay attention to her. The diary contains details of his secret activities.
- 5Big Bug
Season 1 : Episode 5 23 minutesBig Bug
XANA has created a computer virus and sent it out on the Internet. All the city's databases have been damaged.
- 6Cruel Dilemma
Season 1 : Episode 6 23 minutesCruel Dilemma
The Headmaster has decided to extend the gymnasium, and XANA wastes no time in turning the bulldozers from the construction zone into weapons.
- 7Image Problem
Season 1 : Episode 7 23 minutesImage Problem
Yumi disappears and then reappears inside one of the scanners in the factory. She's unconscious, so Jeremy, Ulrich and Odd take her to the infirmary.
- 8End of Take
Season 1 : Episode 8 23 minutesEnd of Take
A movie director is planning to film his next movie in our heroes' factory. What will happen if he discovers the lab, the supercalculator and Lyokô?
Season 1 : Episode 9 23 minutesSatellite
Right in the middle of science class, all the students' mobile phones start ringing. But when they answer, there's no one on the line.
- 10The Girl of My Dreams
Season 1 : Episode 10 23 minutesThe Girl of My Dreams
Can you imagine how surprised our heroes are when the new girl in school turns out to be the spitting image of Aélita?
Season 1 : Episode 11 23 minutesPlagued
Jeremy has a serious problem: He's too intelligent, and his teachers believe he should attend a special high school for gifted children.
- 12Swarming Attack
Season 1 : Episode 12 23 minutesSwarming Attack
Sissi plucks up the courage to tell Ulrich she has a crush on him. Far from being flattered, Ulrich bursts out laughing.
- 13Just in Time
Season 1 : Episode 13 23 minutesJust in Time
After another one of Jeremy's unsuccessful attempts to bring Aélita to life, the virtual young girl's computer program bugs up.
- 14The Trap
Season 1 : Episode 14 23 minutesThe Trap
The deserted factory gets a new lease on life. XANA has taken over every last mechanism.
- 15Laughing Fit
Season 1 : Episode 15 23 minutesLaughing Fit
Yumi is feeling down because her parents, who are usually so close, have decided to have a trial separation.
Season 1 : Episode 16 23 minutesClaustrophobia
There's a new kid in school. He becomes interested in Sissi immediately and must therefore deal with Hervé's animosity.
Season 1 : Episode 17 23 minutesAmnesia
Using a new machine in the school's physics and chemistry lab, XANA manages to create nanoviruses, tiny machines capable of attacking memory cells.
- 18Killer Music
Season 1 : Episode 18 23 minutesKiller Music
When Odd is left alone, he goes into a strange trance-like state and stops moving. The next day, Sissi suffers the same fate.
Season 1 : Episode 19 23 minutesFrontier
Following a heated discussion with Aélita, Jeremy decides that he has to go to Lyokô in person to meet his friend and ask her to forgive him.
- 20The Robots
Season 1 : Episode 20 23 minutesThe Robots
XANA has taken control of the assembly line in the deserted factory. Hervé and Jeremy's droids are fighting each other in the gymnasium.
- 21Zero Gravity Zone
Season 1 : Episode 21 23 minutesZero Gravity Zone
All Ulrich can think about is the soccer final that's coming up. Just a few minutes before kick-off, XANA manages to create a zero-gravity zone.
Season 1 : Episode 22 23 minutesRoutine
Tired of Yumi's seeming indifference toward him, Ulrich starts seeing another girl, which makes Yumi angry and starts a fight.
- 23Rock Bottom?
Season 1 : Episode 23 23 minutesRock Bottom?
Odd has a crush on Sam, a rebellious teenager from a neighboring school. They have agreed to meet in secret inside the school grounds at Kadic.
- 24Ghost Channel
Season 1 : Episode 24 23 minutesGhost Channel
When Jeremy arrives in science class 12 hours earlier, he realizes that Odd, Yumi and Ulrich aren't there -- they haven't come back from Lyokô.
- 25Code: Earth
Season 1 : Episode 25 23 minutesCode: Earth
Jeremy finishes the devirtualization program that will bring Aélita to life. They can all be together at last and put an end to the supercomputer!
- 26False Start
Season 1 : Episode 26 23 minutesFalse Start
Aélita has been brought to life with resounding success, and now the time to destroy XANA has come! But when Jeremy pulls the plug, Aélita faints.