Code Lyoko

Summary (2004)

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.

• 1Teddygozilla
  Season 1 : Episode 1 23 minutes

  Teddygozilla

  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 minutes

  Seeing 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 minutes

  Holiday 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 minutes

  Log 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 minutes

  Big 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 minutes

  Cruel 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 minutes

  Image 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 minutes

  End 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?
• 9Satellite
  Season 1 : Episode 9 23 minutes

  Satellite

  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 minutes

  The 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?
• 11Plagued
  Season 1 : Episode 11 23 minutes

  Plagued

  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 minutes

  Swarming 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 minutes

  Just 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 minutes

  The Trap

  The deserted factory gets a new lease on life. XANA has taken over every last mechanism.
• 15Laughing Fit
  Season 1 : Episode 15 23 minutes

  Laughing Fit

  Yumi is feeling down because her parents, who are usually so close, have decided to have a trial separation.
• 16Claustrophobia
  Season 1 : Episode 16 23 minutes

  Claustrophobia

  There's a new kid in school. He becomes interested in Sissi immediately and must therefore deal with Hervé's animosity.
• 17Amnesia
  Season 1 : Episode 17 23 minutes

  Amnesia

  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 minutes

  Killer 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.
• 19Frontier
  Season 1 : Episode 19 23 minutes

  Frontier

  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 minutes

  The 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 minutes

  Zero 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.
• 22Routine
  Season 1 : Episode 22 23 minutes

  Routine

  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 minutes

  Rock 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 minutes

  Ghost 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 minutes

  Code: 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 minutes

  False 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.