With the information Franz Hopper provided, Jeremie and Aelita managed to reconstruct Lyoko, though it now contained only Sector Five. Shortly thereafter, William was devirtualized and appeared entirely normal. Sissi declared herself "edito…

To counteract the influence of XANA upon William, Jeremie dedicates himself to designing new equipment for his friends and rebuilding Lyoko. To gain the necessary time, he activates a tower and creates a clone of himself to attend classes i…

Chris, Jim’s nephew and drummer for the Subdigitals, visits Kadic seeking an opening act for the band’s upcoming performance. A series of auditions ensue, culminating in Aelita proving to be the one Chris desires. Fate intervenes, however, …

A newly constructed recreation room at Kadic Academy has been entrusted to William’s replica. Simultaneously, Jeremy has devised a program intended to retrieve the genuine William from Lyoko. However, the program malfunctions, corrupting th…

The virtual submersible, which Jeremy affectionately calls a submarine, nears completion; only a final program needs to be executed by the following afternoon. However, Aelita and Jeremy, working late to install the program, are discovered …

Persuasion eventually yields, and Jeremy agrees to let them test the Skid. But during the trial run, the navigation system malfunctions, plunging the group into a digital labyrinth. Jeremy rushes to retrieve the backup programs from his roo…

Concerned that he or Aelita might be targeted by X.A.N.A., Jeremy resolved to instruct Odd, Ulrich, and Yumi in the operation of the Supercomputer. As he demonstrated, a polymorphic clone of the enemy struck, leaving the trio to manage the …

The team journeyed to a replicated sector within X.A.N.A.'s Digital Sea. Simultaneously, a disagreement flared between Aelita and Odd; Odd’s insistence on rest had landed them both in precarious circumstances. Their argument, unintended as …

Relying on Jim’s instruction, the team sought to sharpen their skills in preparation for the inevitable confrontation with X.A.N.A.. Their efforts were immediately tested when X.A.N.A., in a cruel display of power, animated a wild boar to a…

As a comet approaches Earth, X.A.N.A. deploys a military satellite equipped with lasers to shatter it into fragments, directing the majority of the resulting debris directly toward the factory. Aelita, Odd, and Ulrich are immersed in the di…

Jeremy, Aelita, Ulrich, and Odd accompany their science class on a field trip to an island nestled in the heart of a nearby lake, tasked with studying aquatic plant life. Yumi, however, remains behind to endure two crucial examinations. Jer…

Hiroki pilfered Yumi’s diary, only for Ulrich to discover it. Elsewhere, fueled by a renewed hope of rescuing William from X.A.N.A.’s grasp, Jeremy devised a program designed to locate him within the Digital Sea. Upon uploading the program …

Jeremie had refined his "Teleportation" process, enabling him to send his friends to the physical location of Xana's supercomputer, tasking them with its destruction. He initiated the sequence with Aelita and Odd, transporting them to the j…

After their attempt to dismantle X.A.N.A.'s supercomputer in the Amazon proved unsuccessful, the group resolved to complete the task. In the interim, Odd’s penchant for boasting led him to wager with Ulrich that he could refrain from braggi…

Odd attempts to bring Kiwi to Lyoko, but the endeavor results in Odd absorbing the boy instead. Consequently, Odd gradually begins to manifest canine characteristics—an amplified sense of smell, for instance, and a habit of scratching himse…

Jeremy has devised a program to enhance the intelligence of the William clone, though its learning process remains challenging; it currently attempts to launch a glass from a fork. Overhearing the group’s discussion about the clone, Milly a…

The holiday season has arrived at Kadic, and students are departing for home. Aelita, however, finds herself without a place to return. While monitoring Lyoko, she receives a message from Franz Hopper, who has created a simulation of their …

A shattered mirror brings Odd a trail of misfortune, a persistent jinx that follows him even into the digital world of Lyoko. A glitch within his virtual form spreads to Yumi and Aelita, causing frustrating stutters and unpredictable demate…

Jeremy found himself the unlikely victor of a contest – a flight in an armed fighter jet, a prize secured not by his own hand, but through the efforts of Odd. Yet, as the aircraft prepared for ascent, X.A.N.A. seized control, diverting the …

The arrival of Brynja Heringsdötir, Sissi's pen pal from Iceland, at school sparked a wave of admiration among the boys, a sight that stirred envy within Sissi. Brynja’s attention soon turned to Odd, and he, eager to show her his world, led…

The group could no longer tolerate Kiwi’s senseless destruction, and so they insisted Odd confine him to the factory. As Odd deposited him there, XANA seized control of Jeremie’s Kiwi Two robot, transforming it into a horde of self-replicat…

A sudden dorm inspection forces Odd to ask Yumi to house Kiwi. Simultaneously, Jeremie identifies the next Replika: a duplicate of Sector Five. Its supercomputer resides on a newly constructed space station circling the Earth. As Odd and Yu…

Jeremie's cousin, Patrick, arrives for a visit, and Jeremie finds himself less than thrilled. Patrick possesses an effortless coolness that casts Jeremie in comparison. The discovery of another Replika sparks a plan among Jeremie and his fr…

Aelita’s debut performance with the Subdigitals loomed, yet the prospect stirred a troubling wave of stage fright within her. Meanwhile, Odd found himself with the task of securing an additional ticket, hoping to bring a date along. As the …

Aelita discovered a photograph of herself and Franz Hopper taken at the Hermitage, with a complex mathematical equation subtly visible behind them. Jeremie learned that the program functioned as a reset for Lyoko, a function not entirely be…

Odd finds himself in the unenviable position of presenting one of his films, yet a shadow of discontent hangs over him – his parents are due to attend. He laments their unwavering approval, finding it stifling; he feels denied the typical t…

The Kadic Gazette published an unflattering photograph of Yumi, and she instinctively sought out Odd as the source. He skillfully maneuvered Ulrich into taking responsibility, a decision that strained their friendship. Undeterred by this, J…

Jeremie, having greatly underestimated XANA, intends to deploy a new multi-agent system to counter him, though its development remains ongoing. In the interim, he has devised a method to free William from XANA’s control, requiring him to ex…

Now that the Skid is gone and XANA’s Replikas have multiplied beyond control, Jeremie persists in developing his multi-agent system. Simultaneously, Aelita is plagued by nightmares of her father’s demise at XANA's hand. As Jeremie works, he…

Having fulfilled their purpose, the group reflects on the cherished memories of Lyoko. Sissi, however, secretly attaches a tracking device to Ulrich, determined to uncover their hidden intentions. As the time approaches to deactivate the su…