The Vampire Diaries star, Nina Dobrev, explains the series’ popularity both when it originally aired and now on streaming. The series originally debuted in 2009, at the height of the vampire craze, with Twilight having come out only a year before. The Vampire Diaries ran for eight seasons on The CW and has found a second wind on HBO, with fans revisiting or even discovering the series now.
https://screenrant.com/the-vampire-diaries-nina-dobrev-streaming-reboot-reaction/