Code Lyoko

Created by Tania Palumbo and Thomas Romain, Code Lyoko is an animated series that pivots around the story of four boarding school friends who accidentally discover a parallel universe - Lyoko. Along with that, upon further discovery, they find that Lyoko has an inhabitant - Aelita, and an evil computer virus called XANA. Soon, the four of them help Aelita in thwarting XANA’s plans.