American Horror Story - 6 series ongoing - season 5 was vampire based
Being Human (UK) - 5 series, 2009-2013
Being Human (USA) - 4 seasons, 2011-2013
Blade - one season, 2006
Blood - one season 2005. Anime
Blood Ties - one season, 2007
Buffy the Vampire Slayer - 7 seasons 1997-2002. Spinoff series called Angel, 5 seasons.
Dark Shadows - 1966-1971, 1245 episodes.
Dark Shadows : The Revival. One season 1991
Death Valley - one season 2011.
Dracula - One series 2013.
Dracula - Due on the BBC 2019
Forever Knight - 3 seasons in the 1990's
Forever Sucks - Filipino - ongoing, currently on Season 2
From dusk til Dawn - 3 seasons, ongoing
Hellsing - One season, 2002. Anime.
Hemlock Grove - 3 seasons, 2013-2015
Kindred The Embraced - One season, 1990's
Moonlight - one season 2007
My Babysitter's a Vampire - 2 series 2011-2012
Penny Dreadful - 3 series, 2014-2016.
Shadowhunters - 2 seasons ongoing
Supernatural - 12 series, ongoing
The Gates - One season 2010
The Strain - 3 seasons so far, ongoing
The Vampire Diaries - 8 series, ongoing as of Nov 2016. Spinoff series called The Originals - 4 seasons so far, ongoing.
True Blood - 7 seasons, now finished. Spinoff called Midnight, Texas ongoing
Ultraviolet - one series, 2000
Van Helsing - two series, ongoing... season 3 confirmed