Premise: 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 . Trevino appeared as a guest star in season seven and returned for season 8 . On March 11 , 2016 , The CW renewed the series for an eighth season , but on July 23 , 2016 , announced that the eighth season , which would have 16 episodes , would be the show 's last .
Hypothesis: The Vampire Diaries aired eight seasons.
Label: ENTAILMENT