Episode Title:
Aelita.
Episode Description:
Aelita gets mad at Jeremy and she and Odd go into Lyoko without telling anybody, which causes problems. On Lyoko, X.A.N.A. creates a diversion to get everybody to deactivate the tower in the Mountain Sector while the monsters (mostly Mantas and Creepers) worked on destroying the core of Lyoko. At the end of the episode, Jeremy and Aelita find a strand of DNA that belongs to Franz Hopper, indicating he may be still alive.
