DANCING WITH DANGER : As the high school prepares to throw a “1960s Decade Dance,” Elena starts receiving disturbing messages from Klaus via an unusual source. Bonnie tries to reassure Jeremy that she is strong enough to help Elena, but a worried Jeremy asks Stefan for advice. Caroline talks Matt into taking her to the dance. Expecting Klaus to show up at the dance, Damon and Alaric attend as chaperones, but Klaus is playing a complicated game that keeps them on edge. Finally, Damon comes up with a new plan of action that shocks and upsets everyone. John Behring directed the episode written by Michael Narducci .
HIDE IN PLAIN SIGHT - Elena and Alaric both lash out at John when Isobel's (guest star Mia Kirshner) unexpected arrival leaves Jenna devastated. Bonnie works with Damon and Jeremy to find the spell they'll need to harness her ancestors' power. A heartbroken Caroline doesn't know what to do about Matt. Stefan and Damon realize they have a new secret weapon. Wendey Stanzler directed the episode written by Mike Daniels.