J is for Jewel

J is for Jewel is the 10th episode of the second Season and the 36th episode Overall of W.I.T.C.H. It first aired August 14, 2006.

Summary
The Guardians are divided, each of them on family vacations, with Hay Lin the only one left at Heatherfield. The Knights of Vengeance attack Phobos's prison and manage to free their prince, and it is up to the Air Guardian to gather the girls.

Meanwhile, Trill reveals herself to be Nerissa all along, and traps Queen Elyon inside a jewel from her mother's crown, stealing her powers.

In the B-story, Hay Lin meets a new guy named Eric Lyndon.

Trivia

 * Hay Lin's first encounter with Eric in this episode mirrors her first encounter with him in comic issue #18.