<Tr> <Td> ← Previous "The Last Dance" </Td> <Td> Next → "The Last Day" </Td> </Tr> <Tr> <Td_colspan="2"> The Vampire Diaries (season 2) List of The Vampire Diaries episodes </Td> </Tr> <P> "Klaus" is the 19th episode of the second season of The CW television series, The Vampire Diaries and the 41st episode of the series overall . It originally aired on April 21, 2011 . The episode was written by Kevin Williamson and Julie Plec and directed by Joshua Butler . </P> <P> Elijah (Daniel Gillies) wakes up in the Salvatore basement after Elena (Nina Dobrev) removes the dagger from his body . Elena tries to keep him quiet so Damon (Ian Somerhalder) and Stefan (Paul Wesley) will not hear him . Elijah needs to get out of the house since he is not invited in, and Elena, to convince him that he can trust her, hands him the dagger . Stefan wakes up the next morning and discovers that Elijah's body is gone while at the same time, Klaus needs his real body and asks Maddox (Gino Anthony Pesi) to take care of it . </P>

When does klaus come in the vampire diaries