Air Date: April 26th, 1996
A secret society protects the innocent from creatures of the night.
Season 4 - Episode 22 : The Beast Within Nov 12, 1999
Derek is plagued by nightmares of his evil father's spirit.
Season 4 - Episode 21 : Infernal Affairs Nov 5, 1999
Derek, Nick and Alex entertain themselves with a troublesome deck of ancient tarot cards.
Season 4 - Episode 20 : The Mephisto Strain Oct 8, 1999
Nick is infected by a demonic parasite that makes him see evil all around him.
Season 4 - Episode 19 : Sabbath's End Oct 1, 1999
Kat is in mortal danger after resuming her friendship with a sick Miranda; Rachel must save her by facing her past.
Season 4 - Episode 18 : Gaslight Sep 24, 1999
Rachel's asthmatic patient becomes the target of vengeful ghosts when she inherits her family's mansion.