THE VAMPIRE DIARIES Season 2 Episode 2 : Brave New World
Caroline, a newly turned vampire, awakens in the hospital craving blood. Tyler catches Mason searching for a family heirloom, a moonstone. At the carnival, Damon compels a boy named Carter into picking a fight with Tyler to provoke Tyler's bursts of anger. Mason breaks up the fight using his abilities, proving that he is a werewolf. Caroline confronts Damon about his abusive treatment, and he realizes that she is a vampire. He alerts Elena and Stefan as a ravenous Caroline drains Carter. Stefan promises Caroline he will guide her through the vampiric journey. Tyler retrieves the moonstone Mason has been seeking. Matt notices Caroline's erratic behavior, but admits that he loves her.