TV Shows
Dark Shadows
American Gothic
The Night Stalker
Tales From the Crypt
Twilight Zone
Outer Limits
Tales from the Darkside
Bewitched
Supernatural (that is a given)
"The Gathering" (2007) Miniseries
Movies (a good majority of the films I would recommend have been mentioned)
Bell Book and Candle (1958)
Cast a Deadly Spell (1991) <I know it is mentioned to death, Jim Butcher's inspiration for Dresden Files but it is linked to the film below>
Witch Hunt (1994) <sequel to Cast a Deadly Spell>
Ghost Rider (2007)
The Chronicles of Narnia: The Lion, the Witch and the Wardrobe (2005)
The Chronicles of Narnia: Prince Caspian (2008)
The Orphanage (2007)
Hellboy 1 & 2
Pan's Labyrinth (2006)
Sleepy Hollow (1999)
Brotherhood of the Wolf (2001)
Any Classic Hammer Film
I could think of others but this is a good start.