The Vampire Diaries (2009)

S4E4 The Five

Title: The Five Plot: Damon joins Elena and Bonnie on a trip to Whitmore College, where Professor Shane has taken over the Occult Studies course previously taught by Bonnie’s grandmother. At a lively fraternity costume party, Damon seizes the chaotic atmosphere to teach Elena the art of selecting a victim. Meanwhile, Rebekah struggles to win Matt's forgiveness but finds herself captivated by surprising news from Klaus. When Stefan probes Klaus about Connor's intentions, Klaus shares a memory of a formidable group of vampire hunters from the past, but it’s Rebekah who reveals the shocking truth that leaves Stefan reeling.