Code Lyoko

Code Lyoko is a French animated series which is aired on France 4. The serie premiered on September 3, 2003.

Jeremy Belpois, a gifted child attending boarding school at the fictional Kadic Academy, one day discovers a supercomputer in an abandoned factory near his school. Upon activating it, he discovers a virtual world and Aelita, a young girl trapped inside Lyoko. After unusual events begin to occur at school, Jeremy learns of X.A.N.A., a malevolent destruction-bent artificial intelligence/multi-agent system running on the supercomputer whose goal is to take over the world. Jeremy soon forms a goal to materialize Aelita into the real world and stop X.A.N.A. in his tracks. With the help from Jeremy's friends and classmates, Ulrich Stern, Odd Della Robbia, Yumi Ishiyama, and Aelita, the group goes to Lyoko in hope to saves the world.