The Vampire Diaries is an American supernatural horror romance television series created by Kevin Williamson based on the novels of the same name by author L. J. Smith. It was officially picked up for the 2009–10 season on May 19, 2009. It premiered on September 10, 2009, on The CW and received the highest ratings for a series premiere in the network's history at that point, scoring 4.91 million live viewers.

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