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S1 · E1
Seasons(26 Episodes)
23mPlaying
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.
23m
2. 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.
23m
3. 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
23m
4. 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.
23m
5. 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?
23m
6. 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.
23m
7. 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.
23m
8. 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.
23m
9. Satellite
When all the student's cell phone goes off in class, it starts Sissy on a petition to save her cell phone--but it's goes awry when Odd breaks into the school's office's locker to get his, Ulrich, & Yumi's cell phone. It turns out that X.A.N.A. is trying to get out board a highly powerful miltiary satellite in space. X.A.N.A.'s target turns out be our heroes.
23m
10. The Girl of the Dreams
Jeremie mysteriously loses contact with Aelita. The same day, a new student named Taelia (who looks alot like Aelita) arrives at school. Jeremie is convinced that Taelia is Aelita devirtualized, but the others aren't too sure. Meanwhile, XANA posseses an ancient samurai armor that Yumi brought for a project and goes out to kill Jeremie and the others. Jeremie heads to the lab, taking Taelia with him, hoping that she'll get over her ""amnesia"" and remember that she is Aelita. But what happens when Jeremie discovers that he wrong?
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11. Plagued
Jeremie learns that he has to take a test. If he passes, he'll get transfered to a new school and nobody will be able to stop XANA. Speaking of which, XANA takes control of a pack of rats. The rats attack the school and makes it nearly impossible to move around. Ulrich, Yumi, and Odd get Jim, Sissi, and everyone else to the roof and then proceed to the lab. Ulrich and Odd are virtualized, while Yumi controls the supercomputer. Does the team stand a chance with Jeremie temporarily gone?
23m
12. Swarming Attack
Ulrich is fussing over a mysterious letter found slipped under his door one night... a love letter signed by Yumi! Meanwhile, XANA infects a hive of bees and is using it to attack our heroes. Ulrich struggles with his feelings and how to tell Yumi how he feels about her; that is, if he can figure it out himself, and saving the day from XANA in an episode of life and death.
23m
13. Just in Time
The episode starts with Jeremie still trying to materalize Aelita. He calls the team to the factory to show them his latest development: a strand of her hair that he has materalized into a test tube. Unfortunately, he didn't realize that he pressed one button too many, and thus screwed up Aelita's programming by adding in a whole lot of bugs. The result is that, immediately after she successfully enters the code (LYOKO) into a tower, she will be formatted - as in, deleted. And of course, as Jeremie is trying to literally work out the bugs, Xana attacks by putting out shockwaves to shake things up, putting Odd, the two junior journalists, and Kiwi in danger. But is Jeremie willing to allow Aelita to be deleted in order to save his friends?
23m
14. The Trap
It's the anniversary of the day Jeremie and the others met Aelita. They begin planning a surprise for her, unaware that Sissi is spying. When Jeremie and Odd try to open the lab elevator, it won't work. They go to the control room to see what's wrong and XANA uses the machinery in the room to attack them. They escape and reach the lab basement. Meanwhile, Ulrich and Yumi get to the elevator. This time it opens. Sissi gets in with them at the last moment, but just then XANA causes the elevator to plummet down the chute. Yumi escapes to go join Jeremy and Odd in the lab. Back at the elevator, water leaks from the walls and begins to drown Ulrich and Sissi. Ulrich promises that if they get out alive, he'll be nicer to Sissi. Aelita manages to input Code Lyoko and reset time just Ulrich and Sissi begin to drown. At the end, Jeremie and the others present Aelita with an anniversary cake and Ulrich keeps his the promise he made to Sissi in the elevator.
23m
15. Laughing Fit
After seeing laughing gas in Science class, Team Lyoko has to see it again - working for Xana. While working for Sissy in a school production of Romeo and Juliet, Ulrich and Yumi are overcome by the gas, and both Jeremie and Odd get a bit too much at the factory. Of course, this results in a data transfer error, leaving Odd bearly able to walk, much less fight off Xana's hordes of monsters. With Aelita flying solo and three of the team in critical condition, will the crew literally die laughing?
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16. Claustrophobia
After a quick game of soccer, Yumi heads home for the night, but Odd and Ulrich head in for dinner, and Jeremie is already there. He decides to check on Aelita, and Yumi ends up following him instead. But, while scarfing the desserts the others left behind, he and Ulrich get caught up in a shocking Xana trap. Not only is the lunchroom electrified, the roof may fall in at any time. Even the combined power of the eight kids trapped inside - including Odd, Ulrich, and Sissy - can only delay Xana for a short time. Will Yumi be able to get Aelita to the tower before the room becomes a final resting place for our heroes?
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17. Amnesia
When learning about NanoDoctors, small robots being designed to cure dieases, Ulrich holds some gel that the NanoDoctors would live in. Od pranks him and pushes the gel into Ulrich's face, and some minutes later Ulrich suddenly faints and loses his memory. Strangely, amnesia spreads throughout the school, and Jeremy and Od think it's Xana at work. Yumi and Od are virtualized while Ulrich escapes from Sissy, who's trying to convince him they're in love. Ulrich gets virtualized and re-learns how to fight from Od. They help Aileta deactivate the tower. It ends up being the NanoDoctor's gel habitat was infested by Xana Nano-Virii and got up Ulrich's nose.
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18. Killer Music
A new rock song Odd downloads sends him into a coma, and the same song is passed through the school. XANA's new beat is the cause, and he can broadcast it anywhere. The hospital is full to bursting with cases, and Odd's heart gets weaker with every beat it makes. But when the tune starts playing in the factory, will the crew learn that music can do more than just soothe the soul? And, will Aelita be able to save the crew? It's all up to a leap of faith...
23m
19. Frontier
Jeremie is now taking his ""Materalize Aelita!"" campaign to levels unknown - quite literally. He virtualizes himself, but there isn't enough memory in the system to complete the transfer, and Jeremie is caught between worlds. It will take more memory than the factory has to complete the transfer back to Earth, and if the crew doesn't hurry, Jeremie will be deleted as an old file! Could this be the final frontier for Jeremie? Will Yumi be able to pick up the slack?
23m
20. The Robots
Both Herb & Jeremy are in a robot competition Herb with ""Iron Sissy"", and Jeremy with ""Kiwi 2."" Herb cheats by launching a gear from Sissy to destroy ""Kiwi 2."" Meanwhile, Xana's latest plan, using the factory to built a robot. Ulrich & Yumi get help from Herb in slow down Xana's robot. Jeremy discover that Xana robot had built in the factory and messed with computer that goes to Lyoko. Jeremy fixes the super computer, and Odd helps out Alieta in Lyoko. After the time reboot, Kiwi 2 dodges Herb's gear to win the contest.
23m
21. Zero Gravity Zone
Xana decided to get rid of everyone by using the power of Gravity, and Yumi, Odd, and Jeremy went to the factory, but Ulrich had a soccer game, and his Dad was there, and as Odd said: If you're not first, then you're not good in his book. Ulrich had to save Mrs. Hertz though, because she was in the science lab. So Yumi and Odd went to Lyoko, but a huge swarm of monsters reached them, and Yumi and Odd had to clear a path for Aelita, and Yumi created a rock shield with her Telekenesis, but Yumi's Telekenisis didn't last very long, so Aelita decided to go across another way. She ended up getting hit and she fell off the bridge she was materializing. Odd and Yumi were in disbelief. But, Aelita appeared right behind them. Ulrich slammed through the science lab window, trying to save his dad, leaving Sissy with Mrs. Hertz.
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22. Routine
Ulrich is getting tired of getting being rebooted so many times and waiting to find out if Yumi has feelings for him or not. He thinks these are his only troubles, but he is not counting on two things: 1) Sissy getting in the way again and 2) Xana's latest attack which is quite deadly. He disconnects the scanners that makes the return to the real world if he or any of the gang lose all their life points. Instead of returning devirtualized, they could die in Lyoko. Can Aelita shut down the tower in time?
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23. Rock Bottom?
Well, it starts off as Yumi wanting to have a party at her house. Of course, Odd jumps into action, and says that he has the Deejay problem all solved, they weren't going to listen to Sissy's music. But, oddly, Jeremy couldn't get a connection with Lyoko. Later, Odd and Ulrich are having sliding contests across the floor, but soon, a picture of the Deejay Odd was getting fell on the floor. Ulrich and Jeremy saw is and they asked who it was. Odd said it wasn't important, and he had some stuff to do. Later, again, Odd saw Samantha, the Deejay he was getting, and obviously, he happened to know her. They got into the Comp. Lab, and Sam wanted to take the most powerful laptop there. Jim went in and saw Odd holding the laptop. He scolded Odd, and he ended up getting out. But, they saw Xana attacking. They went to go and rescue Samantha, as she was still in the lab. Yumi and Jeremy went to the factory. Ulrich and Odd saved Samantha, but when Yumi got to Lyoko, she was materialized as soon as
23m
24. Ghost Channel
One day at school, Jeremy notices that Odd, Ulrich, and Yumi are missing. Meanwhile, Odd, Ulrich, and Yumi ARE at school with Jeremy! What's going on? Turns out that XANA (in the form of Jeremy) has trapped Odd, Ulrich, and Yumi in a virtual world identical to the boarding school, completely at his mercy. With Aelita's help, Jeremy reaches the fake school and tries to convince his friends that he is the real Jeremy and that the imposter is XANA. When they learn that Jeremy got into the scanner to come here, XANA claims that Jeremy is the fake because he would never go into the scanner. But the others say that if his friends were in danger, he would. XANA gets angry and tries to crush everyone with wires and holographic zombies of Jim, Nicholas, and Herve. But Aelita destroys the false school just in time, foiling XANA's plan.
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25. Code: Earth
As Jeremy is perfecting his materialization program for Aelita, Yumi, Ulrich and Odd are making preparations for her arrival. But as success comes within their grasps, Jim's paranoia aggrivates the already bad situation started by XANA. Due to his injured ankle Jeremy has no choice but to reveal the existance of Lyoko to Jim so he can get to the warehouse. In the end XANA's attack is stopped and Aelita has finally been materialized into the real world. Or has she?
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26. False Start
Aelita is materialized, but unfortunately, Xana implanted a virus inside of Aelita, so if Xana dies, so does Aelita. Then Xana decides to attack with bringing his own monsters to Earth. Ulrich and Yumi fight off the monsters, while Odd goes to Lyoko with Aelita. Odd eventually get materialized himself, but luckily, Ulrich and Yumi reach the factory, and fight off the last Hornet, attacking Aelita. She deactivates the Tower, and on the second run, the gang is talking with Aelita, about finding an anti-virus, but Aelita can still be materialized for small visits. So they look ahead to the future, and the episode ends.
