High Quality Content by WIKIPEDIA articles! The Vampire Diaries is an American supernatural–fantasy horror 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 networks history scoring 4.91 million live viewers.