Klaus (The Vampire Diaries)
"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.
Plot
Elijah (Daniel Gillies) wakes up in the Salvatore basement after Elena (Nina Dobrev) removed 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, she 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.
Stefan calls Elena to see if she is fine and asks her where is Elijah. Elena reassures him that she is fine and that Elijah is with her asking Stefan to trust her and let her do what she thinks best. Stefan, even though he does not agree with her plan, he agrees to go with it in Damon's despise. Elijah tells Elena how he and Klaus met Katherine and that Klaus is his brother.