Code Lyoko (2003)
Code Lyoko is a 2003 French-language sci-fi & fantasy series created by Tania Palumbo and Thomas Romain. It stars Raphaëlle Lubansu, Géraldine Frippiat and Marie-Line Landerwijn.
Four children travel to the virtual world of Lyoko to battle against a sentient artificial intelligence named XANA, with a virtual human called Aelita.
Where to watch Code Lyoko
Stream: Amazon Prime Video, Amazon Prime Video with Ads
Buy: Amazon Video, Apple TV Store
Official site
https://web.archive.org/web/20140209080852/http://www.netmedia.co.id/program/code-lyoko