S is for Self

S is for Self is the 19th episode of the 2nd Season and the 45th episode overall of W.I.T.C.H. It first aired October 21, 2006.

Summary
Matt manages to regain complete control over his body and mind, while Nerissa deprives her Knights of Destruction of their power to empower the old Guardians.

Nerissa trapped Yan Lin inside her seal and decides to create an Altermere (a living duplicate with the memories and powers of the one replicated/cloned).

In the B-story, K-SHIP decides to organize the battle of the bands.

Trivia

 * In this episode, the past Guardians have now been granted back their youth and their former Guardian appearances.
 * This episode marks the final appearance of the Knights of Destruction.