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Sabotage is the ninth episode of Season 3 and the sixty-first episode of Code Lyoko.


The episode starts with the Lyoko Warriors attempting to deactivate a tower in the Mountain Sector. Ulrich battles a Tarantula while and Odd and Yumi each fight a Krab. However, in mid-battle, each of them experience some bugs that cause their avatars to freeze or teleport them right in front of the monsters, giving the latter an opportunity to devirtualize the group very quickly. Aelita, as well as the monsters, encounters similar issues, but she manages to make it into the tower and deactivate it.

Back in the lab, Jeremie suggests the bugs were part of X.A.N.A.'s attack and decides to run a few routine checks to be sure. Because boys' dorms are being inspected on campus, Odd leaves Kiwi in the lab before he, Ulrich, Aelita, and Yumi leave the Factory. Additionally, Ulrich notifies Jeremie that he shouldn't spend his time in the lab too long. During the checks, Jeremie discovers that more and more Supercomputer's programs stop working so he goes to the Supercomputer room and finds out that several of the Supercomputer's data boards have been badly fried. He checks out the Factory's security camera system and sees that Michael Riley, the groundskeeper at Kadic Academy, had been possessed by X.A.N.A. and snuck into the Supercomputer room to damage several of the data boards and this was the attack from earlier.

The next morning at breakfast, Jeremie explains to the others what happened: Riley's damage caused a drop in the calculating capacity of the Supercomputer, resulting in the bugs they experienced. He also discovers that the damage is constantly spreading and that he has three hours to fix it before the Supercomputer becomes unsalvageable and even now it's working way slower than before as he tried to launch Return to the Past but in vain. However, before he can leave for the Factory, he is stopped by Jim, who demands to inspect his room as last evening he was still at the factory when his room was about to be inspected. Jeremie fails the inspection because of the clutter in his room, and is forced by Jim to stay and clean it all by himself. Jeremie gives Aelita a box of new data boards, silently asking her to fix the Supercomputer in his place. Aelita complies and sets off for the Factory.

While Jeremie cleans his room, his desktop alerts him to an activated tower in the Ice Sector, but Jim finds his cleaning job insufficient and demands he stays longer and clean up more precisely. Aelita discovers the activated tower as well when she arrives in the lab. She notifies Ulrich and Odd, and then goes down to the Supercomputer room to replace the damaged data boards, which temporarily fixes the problem.

Ulrich notifies Yumi about the tower before he and Odd set out for the Factory. However, as they travel through the park, it is revealed that X.A.N.A. has possessed the trees, and the two boys are captured by tentacle-like roots. Meanwhile, Yumi, who is walking with her class to an art museum, slips away and heads into the woods, where she is attacked by roots as well.

Jeremie finally cleans his room thoroughly and is allowed to leave. On his way to the Factory, he finds Odd and Ulrich trapped by the roots, and uses a derelict shovel to free Ulrich before being trapped himself. Ulrich manages to reach the Factory but finds only Aelita. He calls Yumi but she tells him not to wait for her as one of the roots grabbed her leg. Ulrich tells Aelita that they have no time to loose so Aelita uses the Self Virtualization Program to virtualizes him and herself onto Lyoko.

Ulrich and Aelita find the activated tower guarded by two Tarantulas. As they battle, Ulrich, Aelita, and the monsters all experience bugs, and the two Lyoko Warriors retreat. At the park, Jeremie notices that the roots pixelate themselves at short intervals, so the boys use it to their advantage to free themselves and dash to the Factory, where Odd is virtualized on Lyoko. Meanwhile, the root drag Yumi to a naturally occurring fissure in the ground filled with possessed roots and attempt to pull her in.

On Lyoko, Ulrich and Aelita cannot defeat the Tarantulas with their glitched weapons, so Aelita uses her, also bugged up, Creativity to crush a Tarantula with an iceberg. However, X.A.N.A. sends two Krabs to devirtualize Ulrich and Aelita, but suddenly they hear Odd coming to their rescue on his Overboard. Jeremie then programs the Overbike for Ulrich and Aelita only for both of the vehicles to immediately disappear due to the fact that Supercomputer is constantly losing its power, which leads to the aforementioned Warriors and Odd being confronted by a Megatank. In the woods, the roots succeed in pulling Yumi into the fissure, where she falls several meters to the bottom. Meanwhile, Jeremie goes down to the Supercomputer room and finishes Aelita's repairs. However, the Supercomputer does not have enough energy left to reboot and stop the bugs. Running away from a Megatank, Aelita notices a Way Tower and suggests the only possible way - they deliberately destroy the Ice Sector, which would lessen the workload of the Supercomputer and give it enough power to reboot. Jeremie doesn't want to agree with her idea, but she replies that when they destroy the Ice Sector, the activated tower will be deactivated. Jeremie reluctantly agrees, and Aelita enters an unguarded way tower.

As the roots begin to suffocate Yumi, Aelita inputs Code: X.A.N.A., and the Ice Sector begins to disappear. Ulrich, Odd, and Aelita devirtualize one another to avoid falling into the Digital Sea, and Jeremie is able to reboot the system. The activated tower is destroyed along with the Ice Sector, and the roots stop suffocating Yumi, allowing her to climb out of the fissure.

Later that night, the five Lyoko Warriors convene in Jeremie's dorm. Jeremie, Aelita and Odd are discussing their success in saving the supercomputer while Ulrich tends to Yumi's wounds. Yumi says that they lost the Ice Sector due to the earlier attack, and with the Mountains being the only surface sector left, Jeremie points out the increased necessity of finding a way to virtualize the group directly onto Sector Five. Odd then accidentally knocks over Jeremie's shelf, making his room as cluttered as it was before the inspection.


  • The original French name for this episode is the same as the English.
  • This episode marks the only episode in Season 3 where Aelita intentionally enters the X.A.N.A. code into a way tower.
  • Even though Jeremie claims the repairs he and Aelita made to the Supercomputer were only temporary at the end of the episode, the bugs never return and the problem is never mentioned again.
  • Several fans were in a draft recording of the background dialog of the students when they were informed they were walking to the museum.[1] Said draft recording isn't in the final cut.
  • The tower activated at the beginning of this episode is the same tower Jeremie activated in Tip-Top Shape.
  • The name of this episode is named after Alfred Hitchcock's 1936 film Sabotage.


  • In the beginning of this episode, after Ulrich is devirtualized by the Tarantula, his ID Card is still shown on the factory interface as if he wasn't devirtualized at all.
  • In the scene where Jim was first discovering the mess in Jeremie's room, Jeremie handed Aelita a box behind Jim's back. When Jim lifts the blanket on Jeremie's bed to find his computer magazines, as he is looking at the group, the box is still in Aelita's hands. However, in the next shot when she is standing with Ulrich and Odd, the box is gone and Aelita's arms are crossed. After all three of them leave, Aelita is holding the box again.


External Links[]

The original episode summary can be found here.