Annalyn Miriam Cyrus

It's Halloween but the only thing frightening Hannah is her cousin Luann, who is threatening to tell the world that Miley and Hannah are the same person. Can Hannah stop her?

Despite Spencer's brave face, Aria, Hanna and Emily remain concerned about their friend's health; shocking revelations are revealed.

The girls encounter trouble when they hop aboard the Rosewood Ghost Train for some Halloween fun; singer Adam Lambert performs "Trespassing" and "Cuckoo."

Elena is intrigued by the story of sad and secretive fellow student Aaron and, at the Whitmore Historical Ball, Elena shares a dance with Dr Maxfield, who has a disturbing message for her. Meanwhile, Stefan's doppelgänger Silas demands that Damon commit an unthinkable act, leading to a violent confrontation.