X.A.N.A. has made a lot of attacks on the real world and on Lyoko. All of them have been intended to destroy (or stop) the Lyoko Warriors in any way possible. He tries to come up with new tactics and new ideas. 


Name Description
X.A.N.A. Awakens, Part 1 Attacks Jeremie consecutively after he restarts the supercomputer.
X.A.N.A. Awakens, Part 2 Creates a big electric orb to attack Sissi and Lyoko Warriors.

Season One: Episodes 01-26 (2003-2004)

Episode # Name Description
01 Teddygozilla Possesses Milly's Teddy Bear and transforms it into a giant which tries to crush the Lyoko Warriors.  
02 Seeing Is Believing Tries to overload a nuclear power plant by storing electricity in an electrical pylon and unleashing it on the plant all at once, which would wipe out the entire region.
03 Holiday in the Fog Possesses several barrels full of poison and turns it into a deadly, living gas.
04 Log Book

Possesses the bus and send it on a one-way course to the nearby petrochemical plant. 

05 Big Bug Created a computer virus and sent it out on the Internet. All the city’s databases have been damaged. The railway control center has been hit very hard and can no longer stop two of its trains which are on a collision course with one of them having deadly chemicals as cargo.
06 Cruel Dilemma Possesses two bulldozers and sets them on the factory to prevent Aelita's materialization from taking place.
07 Image Problem Traps Yumi in a Guardian and sends a Spectre in her place in order to destroy the scanners.
08 End of Take Possesses an alien monster prop and uses it to capture Ulrich and Sissi and use them as bait for the others.
09 Satellite
  • Hacks student cellphones.
  • Takes over a military satellite and turns it on the school (specifically on Yumi).
10 The Girl of the Dreams X.A.N.A. traps Aelita in a Guardian and takes control of the samurai costume from Yumi's history project, setting it on the group, namely Yumi.
11 Plagued X.A.N.A. possesses a rat that tries to sneak a bite from the school's kitchen. That rat goes on to bite other rats, putting them under X.A.N.A.'s control. These rats then attack Kadic.
12 Swarming Attack After failing with an army of rats, X.A.N.A. attempts a similar tactic using hornets.
13 Just in Time Uses ultrasound waves to cause the school to fall apart.
14 The Trap
  1. Traps Sissi, Ulrich, and Yumi in the elevator shaft.
  2. Jeremie and Odd have to deal with the possessed factory equipment.
15 Laughing Fit Uses laughing gas to attack the Lyoko Warriors.
16 Claustrophobia Surrounds the cafeteria in electricity, leaving Ulrich, Odd, and several other students trapped inside with no way out. 
17 Amnesia Possesses several nanobots to attack memory cells, leaving Ulrich, other students and teachers affected with a contagious amnesia.
18 Killer Music Creates a song that puts anyone who hears it in a coma.
19 Frontier Sends three Bloks to prevent Aelita from bringing Jeremie out of Virtual Limbo
20 The Robots Creates several robots to eliminate the Lyoko Warriors.
21 Zero Gravity Zone Concentrates the city's electricity on the school, turning it into a zero-gravity zone.
22 Routine Sabotages the devirtualization program, putting the Lyoko Warriors at risk of disappearing forever.
23 Rock Bottom? Causes the ground to turn to mud, causing all the buildings to start sinking into the ground.
24 Ghost Channel Traps Odd, Ulrich, and Yumi in a Simulation Bubble and tries to lead them to fake Scanners to delete them forever.
25 Code: Earth Sends Bloks to guard a tower and later two Megatanks to destroy the tower to prevent Aelita from being materialized.
26 False Start Materialized several Kankrelats on to Earth. 

Season Two: Episodes 27-52 (2005-2006)

Episode # Name Description
1 (27) New Order Makes new monsters known as the Tarantulas, to wipe out the warriors and later traps Yumi and Ulrich in the boiler room of the Hermitage.
2 (28) Uncharted Territory Takes Aelita to Sector Five with the Transport Orb so the Scyphozoa can steal her memory.
3 (29) Exploration 1. Creepers devirtualize Odd and Ulrich, but they can't materialize into the real world

2. It also traps Aelita within its walls and sends the Scyphozoa after her.

4 (30) A Great Day
  1. Repeatedly activated the Return to the Past in order to get stronger. 
  2. Possessing Sissi.
5 (31) Mister Pück
  1. Attempting to possess Odd and Ulrich but fails to do so.
  2. Possesses Jeremie and kidnaps Aelita in order to deliver her to the Scyphozoa.
6 (32) Saint Valentine's Day Sends a possessed man to leave a necklace for Aelita that eventually possesses her, compelling her to go to Lyoko and give up her memories.
7 (33) Final Mix Possesses Jim to kidnap Aelita and bring her to the Scyphozoa.
8 (34) Missing Link Steals Yumi's human DNA using the Scyphozoa, preventing her from being materialized back to Earth. He has predicted that Aelita will transfer her human DNA to Yumi, which will cause her memory to be exposed. 
9 (35) The Chips Are Down Possesses Nicholas so he can sabotage the devirtualization program. 
10 (36) Marabounta No attack.
11 (37) Common Interest Possesses a criminal to get a nuclear battery to recharge the supercomputer. He then attacks Jeremie. 
12 (38) Temptation
  1. Possesses Rosa Petitjean to stop the Lyoko Warriors from leaving the cafeteria.
  2. Possesses Jeremie's ambulance and drives it into the river.
13 (39) A Bad Turn Materializes Krabs into the real world.
14 (40) Attack of the Zombies Possesses Kiwi, turning anyone he bites into a mindless zombie
15 (41) Ultimatum Possesses Principal Delmas and kidnaps Odd and Yumi. He sends Jeremie an ultimatum: 2:00 PM, Aelita must go to the Ice Sector and give her memory to the Scyphozoa or Odd and Yumi will be liquidated (killed in a painful way). 
16 (42) A Fine Mess No attack.
17 (43) X.A.N.A.'s Kiss Send a polymorphic spectre that can change its appearance at will, to devide and conquer the group. It then kisses random people at Kadic. This way, X.A.N.A could divide and conquer the group. 
18 (44) Vertigo Possesses three wolves and creating illusions of other wolves to hunt down Ulrich, Odd, and Yumi.
19 (45) Cold War Creates a blizzard that traps the warriors in school.
20 (46) Déjà Vu X.A.N.A.'s implanted virus is stimulating Aelita's cerebral cortex, placing her in an artificial sleep, thus causing her to see a vision of Men In Black and Franz Hopper. She goes to Sector Five to find the source of her vision, falling into X.A.N.A.'s trap.
21 (47) Tip-Top Shape
  1. Possesses Yolanda and kidnaps Aelita.
  2. Takes control of the tower Jeremie activated, in order to drain the energy out of Odd and kill him.
22 (48) Is Anybody Out There?
  1. Send a blob-like spectre out to attack the group in midnight. 
  2. Sabotages the Superscan.
23 (49) Franz Hopper Sends a polymorphic spectre disguised as Franz Hopper, to trick the group into turning against Jeremie.
24 (50) Contact Sissi is possessed by Franz Hopper to make contact with Jeremie, so X.A.N.A possesses the hospital doctor to attack Sissi.
25 (51) Revelation
  1. Sends a spectre to trick Odd into coming into the woods. It then traps him in a well with a hose pouring water into it. The spectre then goes to Lyoko.
  2. Takes control of the tower Jeremie activated, in order to steal the data from Franz Hopper's diary.
26 (52) The Key
  1. Setting traps in Sector Five by luring the Lyoko Warriors into Aelita's fake missing fragment.
  2. Steals Aelita's memory and frees himself from the supercomputer. 

Season Three: Episodes 53-65 (2006)

Episode # Episode Description
1 (53) Straight to Heart Attacks the Core of Lyoko.
2 (54) Lyoko Minus One
  1. Possesses everyone on Yumi's bus (except for her and William in a detention) and chases her through the woods.
  2. Implants a virus to Aelita using Scyphozoa, so he can possess her and make her delete the Forest Sector.
3 (55) Tidal Wave
  1. Possesses all the food in the cafeteria and chases the others.
  2. Rises the level of the Digital Sea and attacks the Core of Lyoko.
4 (56) False Lead
  1. Hacks a large weapons manufacturing computer and leads the group down false trail.
  2. Possesses two government agents and has them destroy the Supercomputer
5 (57) Aelita Activates a tower to lure the Lyoko Warriors to the tower, while he sends monsters to attack Core of Lyoko.
6 (58) The Pretender
  1. Possesses a flock of crows and has them attack the group.
  2. Possesses Aelita with Scyphozoa and make her delete the Desert Sector.
7 (59) The Secret
  1. Possesses a demolition worker and has him set a bomb in the Factory.
  2. Possesses Aelita with Scyphozoa so she'll delete the Ice Sector. She is devirtualized in time by Yumi.
8 (60) Temporary Insanity Has two Mantas shoot Odd and Ulrich with a combined-attack-beam, making them believe that they're on Lyoko in the real world and vice-versa. This way, he could attack the Core of Lyoko.
9 (61) Sabotage
  1. Possessed the groundskeeper and had him fry all the supercomputer's memory boards. This would have caused the supercomputer to explode, keeping them from protecting the Core of Lyoko. 
  2. Sent vines after them.
10 (62) Nobody in Particular

Takes control of Ulrich's body and uses it to attack the core.

11 (63) Triple Trouble Creates a cloud of smoke that can petrify anyone on contact.
12 (64) Double Trouble Sends a Jeremie Clone to attack Jeremie and take Aelita to the Scyphozoa, so X.A.N.A. could possess her and make her delete the Mountain Sector.
13 (65) Final Round Takes control of William using Scyphozoa and has him destroy the Core of Lyoko, thus destroying Lyoko and put William in an almost permanent possession.

Season Four: Episodes 66-95 (2007)

Episode # Name Description
1 (66) William Returns Sends William to Earth to kidnap Aelita and throw her into the Digital Sea.
2 (67) Double Take Takes control of Jeremie's clone and has him attack Jeremie and Odd.
3 (68) Opening Act Send a polymorphic clone of Chris of the Subdigitals to kidnap Aelita.
4 (69) Wreck Room Takes control of William's clone and has him attack Ulrich.
5 (70) Skidbladnir Sends William and monsters to attack the Skidbladnir.
6 (71) Maiden Voyage None
7 (72) Crash Course Sends a Spectre after Jeremie and Aelita.
8 (73) Replika None
9 (74) I'd Rather Not Talk About It Possesses a wild boar and sets it's eyes on Jeremie and Jim.
10 (75) Hot Shower Takes control of a powerful military satellite and uses it's laser to change the course of the Comet VG17 
11 (76) The Lake
  1. Creates a slug-like Spectre that attacks anyone that tries to escape from the island.
  2. Sends Scyphozoa to steals Skidbladnir's data.
12 (77) Lost At Sea Attacks Yumi, who is lost in the network.
13 (78) Lab Rat Possesses scientists in an Amazonian laboratory.
14 (79) Bragging Rights Possesses Cybernetic Spiders in the Amazonian laboratory.
15 (80) Dog Day Afternoon Attacks by possessing a motorcycle gang who has taken over the factory. 
16 (81) A Lack of Goodwill Materializes William to Earth to destroy the supercomputer.
17 (82) Distant Memory
  1. Creating a Simulation Bubble of Aelita's old home in the Ice Sector and disguising as Franz Hopper to lure her.
  2. William throws her into the Digital Sea, so Franz Hopper will appear to save her, thus allowing X.A.N.A. to attack him.
18 (83) Hard Luck Materializes Kankrelats at the New Mexico Research Facility.
19 (84) Guided Missile Possesses a fighter plane in order to destroy the factory.
20 (85) Kadic Bombshell None
21 (86) Canine Conundrum Takes control of Jeremie's robot, Kiwi 2 and sends it on a rampage at Kadic. 
22 (87) A Space Oddity Takes control of orbs to attack Odd and Yumi.
23 (88) Cousins Once Removed Possesses Sissi and Herb to attack Patrick and sabotage the Skidbladnir.
24 (89) Music to Soothe the Savage Beast Possesses Sophie, the manager of the Subdigitals to kidnap Aelita and possesses Milly and Tamiya to keep the warriors at bay.
25 (90) Wrong Exposure
  1. Possesses Principal Delmas to kidnap Aelita.
  2. Sends Scyphozoa to capture Aelita so X.A.N.A. could possess Aelita and have her throw herself into the Digital Sea.
26 (91) Bad Connection Takes control of the School Antenna to spread a virus to possess others who answered their phones.
27 (92) Cold Sweat
  1. Translates William to the Siberian Research Facility.
  2. Sends the Kolossus to destroy the Skidbladnir.
28 (93) Down to Earth
  1. Possesses the army of robots in the Siberian Research Facility.
  2. Destroy the Skidbladnir using the Kolossus.
29 (94) Fight to the Finish
  1. Possesses William to knock Jeremie out cold and destroy the scanners. He then attacks Yumi and Ulrich afterwards. 
  2. Kill Franz Hopper.
30 (95) Echoes None

Season Five: Episodes 96-121 (2012-2013)

Episode # Name Description
1 (96) X.A.N.A. 2.0 Makes a Jim spectre to steal back the source codes implanted into the Original Lyoko Warriors (excluding Jeremy) by X.A.N.A.
2 (97) Cortex None
3 (98) Spectromania
  1. A spectre of a young boy steals the source codes from Ulrich, Yumi and Aelita
  2. Ulrich spectre chases Ulrich through Kadic
4 (99) Mrs. Einstein Sends Krabs after the heroes and to attack the MegaPod.
5 (100) Rivalry
  1. A William spectre steals the source codes from Yumi, and chases Ulrich through Kadic
  2. X.A.N.A. hacks into the phone lines, taking out the warriors phones, severing their communication
6 (101) Suspicions A student, Remi, is possessed and is cloned in an attempt to retrieve the source codes from Yumi, Odd, and Ulrich
7 (102) Countdown Sends a polymorphic spectre to retrieve the source codes from the warriors
8 (103) Virus None
9 (104) How to Fool X.A.N.A. A spectre of Theo steals the source code from Ulrich and Yumi
10 (105) The Warrior Awakens None
11 (106) Rendezvous Sends a spectre of Aelita's mother to take Aelita's source code
12 (107) Chaos at Kadic Messing with the grades in the school's computer, causing them to nearly lose the help of Laura Gauthier
13 (108) Friday the 13th
  1. Messing with lottery, causing thousands of so called "winners"
  2. Putting a virus in the Skid
14 (109) Intrusion None
15 (110) The Codeless
  1. Steals Odd's remaining source code.
  2. Creates a clone of William to manipulate him.
16 (111) Confusion Turns on the one who brought him back.
17 (112) An Assured Professional Future None
18 (113) Obstinacy Sending the Krabs to guard the entrance of the Cortex.
19 (114) The Trap Sends a spectre after the warriors but is later trapped in the scanner and attempts to escape the scanner.
20 (115) Espionage None
21 (116) False Pretenses
  1. Creates a spectre of Laura.
  2. Creates a spectre of Odd.
  3. Creates a spectre of William.
  4. Creates a spectre of Ulrich.
  5. Creates a spectre of Yumi.
22 (117) Mutiny Captures William and possessing him once again using the Scyphozoa.
23 (118) Jeremy's Blues
  1. Sends out Sharks to destroy the Skid.
  2. Makes a Mrs. Hertz spectre to destroy the Warriors.
24 (119) Temporal Paradox None
25 (120) Massacre Makes a Michael Rouiler spectre to steal source codes from the Warriors.
26 (121) Ultimate Mission Attempting to stop the Lyoko Warriors by sending his monsters after them and destroying both the Skidbladnir and MegaPod.

See Also

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