@retroonostalgia_ on Instagram: "Code Lyoko (2003–2007) – 4 seasons, 95 episodes Code Lyoko follows a group of students—Jeremie, Ulrich, Odd, Yumi, and Aelita—who discover a virtual world called Lyoko and fight a dangerous artificial intelligence known as X.A.N.A. While balancing everyday school life, they enter the digital realm to protect both Lyoko and the real world from cyber attacks and threats. Combining sci-fi, action, and mystery with a unique mix of 2D and 3D animation, the series beca