Episode 4: Disturbing Behavior -

For a deeper look at the tension and key scenes from this episode, you can watch this official webclip: The Vampire Diaries 3x04 "Disturbing Behavior" Webclip Cristina Alexandra YouTube• Oct 4, 2011

: Back in Mystic Falls, Damon lashes out at Alaric and others who try to control his behavior. This culminates in him temporarily killing Alaric (who is saved by his Gilbert ring) and attacking Bill Forbes.

: Stefan remains in Chicago with Klaus and Rebekah. While Rebekah struggles to adjust to modern fashion and music, Klaus enlists the witch Gloria to find Rebekah's missing necklace. Episode 4: Disturbing Behavior

: Gloria discovers through a vision that Elena is the one wearing the necklace. She realizes Elena—the doppelgänger Klaus needs—is still alive, but before she can tell Klaus, Katherine kills her to protect the secret.

A standout line from the episode occurs during a confrontation between Alaric and Damon: For a deeper look at the tension and

The episode follows several major storylines involving the Originals, the Mystic Falls residents, and supernatural threats:

: Alaric demands a seat on the Founders' Council to represent the Gilbert family, arguing that the existing members have conflicts of interest due to their supernatural children. While Rebekah struggles to adjust to modern fashion

"Maybe they finally realized that you're just a dick." — Alaric to Damon