Episode: 2x16 (Season 2 Episode #16) Aired: February 24, 2011 The House Guest Plot: Even though Elena, Damon, and Stefan are tired of Katherine's constant mind games, they realize that Katherine's knowledge of Mystic Falls history will help them survive. Caroline finds a new way to get Matt's attention after feeling frustrated with their relationship. Alaric reveals some shocking information to Jenna, and Katherine makes a different kind of confession to Damon. Stefan and Bonnie try to convince Jonas and Luka that they should all be working together, but Jonas' lack of trust leads to a violent and intense confrontation.