<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> `` 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>
when does klaus come in the vampire diaries
when does klaus come in the vampire diaries
19th episode of the second season
19th episode of the second season