Code Lyoko (2003)

Name: Code Lyoko
Genre: Sci-Fi & Fantasy, Animation, Comedy, Action & Adventure, Kids
Cast: Raphaëlle Lubansu, Géraldine Frippiat, Marie-Line Landerwijn, Sophie Landresse, Carole Baillien

Get ready to virtualize.

Four children travel to the virtual world of Lyoko to battle against a sentient artificial intelligence named XANA, with a virtual human called Aelita.