Code Lyoko: Season 1

Season 1 overview

The students balance ordinary school conflicts with increasingly dangerous attacks. The first crises establish the group's need for secrecy and cooperation.

Key story beats

  1. Prom Queen Interview — Milly and Tamiya try to interview Sissi about the school prom, but she mocks them and refuses.
  2. Ulrich Chooses Yumi — Ulrich turns down Milly because he plans to attend the dance with Yumi.
  3. Power Plant Threat — The group confronts a plan to overload a nuclear power plant.
  4. Vacation Investigation — Sissi learns that Jeremie and the others are staying at school to monitor unusual threats and decides to investigate.
  5. Poison Fog Crisis — A deadly living gas made from stored poison threatens the town, forcing the group to respond.
  6. Diary Blackmail — Sissi uses Ulrich's stolen diary to blackmail him, while Yumi finds Sissi's diary and forces her to reveal its location.
  7. Train Collision Threat — Two trains move toward a collision, and one carries toxic chemicals capable of killing the town's population.
  8. One Use Materialization — Jeremie's program for materializing Aelita is completed, but it can only be used once.
  9. Bulldozer Assault — Two possessed bulldozers attack the factory to stop Aelita's materialization.
  10. Yumi's Strange Behavior — Yumi is mysteriously devirtualized and later behaves unusually, while Aelita discovers a guarded orange sphere.
  11. Satellite Hijacking — A signal moves from the school antenna toward a television antenna and threatens to control a laser-equipped military satellite.
  12. False Aelita Encounter — A student who resembles Aelita appears, but Aelita remains trapped on Lyoko, revealing that the apparent success was false.
  13. Rat Army Attack — A controlled rat bites other rats and creates an attacking swarm during Jeremie's aptitude test.
  14. Hornet Swarm — A new swarm attack forces the group to travel to the factory while Ulrich struggles to answer a love letter.
  15. Aelita's Damaged Program — Jeremie learns that his materialization test damaged Aelita's program and that she may be deleted if she deactivates a tower.

Seasons

Interactive Features

Episode Guide

Content sources

Plot analysis generated from content on Wikipedia, licensed under CC BY-SA 4.0.

Related entry on Wikidata (Q637190), public domain (CC0).