Revelation

S2 E25: To make decrypting Franz Hopper's journal easier, Jeremy decides to activate a tower once more. But while Aelita is transferring data, XANA tries to take back control of the tower and could possibly gain access to the restricted-access part of the Super-computer where Jeremy has stored all of the data he has collected since the very beginning. Meanwhile, Yumi is trying to find Odd, who has fallen into a trap, while on Lyoko, Ulrich is fighting against a spectre which is a clone of himself...