I is for Illusion

I is for Illusion is the 9th episode of the Second Season and the 35th episode overall of W.I.T.C.H. It first aired August 9, 2006.

Summary
The girls go on a vacation with Irma's family, and the girls had a bit of a rough time there, but they manage to cope with it, until Nerissa shows up and begins spreading distrust among them. Nerissa successfully frames Will of applying her power of quintessence into inanimate objects.

Later on, one of the objects moved outside their residence and the gang starts arguing. Suddenly, a glamoured Nerissa appears as The Oracle claiming to want to reclaim their powers because of distrust and absence of harmony.

One of the Guardians saw the Nerissa's shadow, and realized the truth. A battle had ensued and Caleb returns from Meridian to help out, and victory went to the Guardians.

In the B-story, Caleb and Blunk are fighting with the other Knights of Vengeance.

Trivia

 * This episode bares similarities with issue #16 of the comics, with the W.I.T.C.H. girls going on vacation and having it ruined by Nerissa's evil acts.
 * The part where Will almost gives Nerissa (disguised as the Oracle) the Heart of Kandrakar is similar to an event that occurred in issue #20 where Will gives Nerissa (disguised as Matt) the Heart of Kandrakar.