Season 4, Code Lyoko Wiki

The fourth season of Code Lyoko originally aired from May 18, 2007 to November 17, 2007. It mainly focused on the group traveling the Internet in search of X.A.N.A., in their virtual submarine: the Skidbladnir. Using their ship, they go searching for Replikas to destroy them to prevent X.A.N.A. from succeeding in world domination. They also try to rescue a X.A.N.A.-fied William and bring him back home. After the Core of Lyoko is destroyed, the group searches for a way to rebuild Lyoko once more

Twilight Code Lyoko reference by lyokoluis1 on DeviantArt

Telekinesis, Code Lyoko Wiki

Sources of inspiration > Japanese culture in Code Lyoko • Code

Code Lyoko - Uncyclopedia

William Dunbar, odd Della Robbia, yumi Ishiyama, ulrich Stern

Season 4, Code Lyoko Wiki

Free: Yumi Ishiyama Aelita Schaeffer Ulrich Stern Television show

Code Lyoko (partially found production material of French animated

Odd Della Robbia (Code Lyoko)

Code Lyoko Evolution (TV Series 2013) - IMDb