I is for Illusion

Children's animation about Will, Irma, Taranee, Cornelia and Hay-Lin, five normal teenage girls who suddenly have to come to terms with the fact that they have been chosen to lead a double life, half of which involves being guardians of troubled kingdom Meridian, ruled by the frightful Prince Phobos and the evil Lord Cedric. Nerissa and Sandpit use the power of illusion to turn W.I.T.C.H. against each other.