Premise: `` Pilot '' is the pilot episode of The CW television series , The Vampire Diaries , as well as the first episode of the series . The Vampire Diaries . The series premiered on The CW on September 10 , 2009 and concluded on March 10 , 2017 , airing 171 episodes over eight seasons . The pilot episode attracted the largest audience for The CW of any series premiere since the network began in 2006 .
Hypothesis: The Vampire Diaries is a television series.
Label: ENTAILMENT