Episode Title:
Countdown.
Episode Description:
Samantha Suarez - Odd's former sweetheart and girlfriend - enrolls at Kadic, and the boy eagerly pursues her. At the same time, he is being pursued by a spectre. As an indication of X.A.N.A.'s increasing power, this spectre is polymorphic, able to change its appearance at will. The others go to Lyoko to deactivate the tower but are all devirtualized by a giant wall of 121 Bloks. Odd destroys the wall using a scanner eyepiece programmed by Jeremy and deactivates the tower...
