Reviews of the episode highlight a mix of character dynamics and pacing. While some critics noted and "characters stuck in the same locations", others praised the dynamic between the Originals .
A standout line from the episode occurs during a confrontation between Alaric and Damon:
: The episode ends with Klaus bringing Stefan back to Mystic Falls in the back of a truck, determined to find out what Stefan is still "holding onto" from his old life. Critical Reception & Key Quotes Episode 4: Disturbing Behavior
: 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.
: 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. Reviews of the episode highlight a mix of
: 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.
: Jeremy continues to see the ghost of Anna, who warns him about "darkness" surrounding his other ghost visitor, Vicki. He eventually confesses these hauntings to Bonnie. Critical Reception & Key Quotes : Alaric demands
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