Code Lyoko (2003)

S02E13 A Bad Turn

Title: A Dangerous Twist Plot: Tensions rise as Ulrich and William clash over Yumi's affections. Meanwhile, Xana triggers a tower and unleashes Krabbes, which assault Yumi's home and take out two scanners. While Ulrich serves detention, Yumi stands her ground to protect her family. Odd takes on the Krabbe at the factory, but Aelita must navigate her way to the tower alone, facing the looming threat without any assistance.