Claim: 171 episodes of The Vampire Diaries have aired.
Evidence: The series premiered on The CW on September 10 , 2009 and concluded on March 10 , 2017 , airing 171 episodes over eight seasons.
The Vampire Diaries is an American supernatural drama television series developed by Kevin Williamson and Julie Plec , based on the popular book series of the same name written by L. J. Smith.