Season 4 Episode
- Season 4 Song of the Raven (1)
- Season 4 Bird of Prey (2)
- Season 4 Vendetta
- Season 4 The Painting
- Season 4 The Possession
- Season 4 The Traitor (1)
- Season 4 Double Cross (2)
- Season 4 Brother's Keeper
- Season 4 Initiation
- Season 4 Wishful Thinking
- Season 4 Still Waters
- Season 4 Unholy Congress (1)
- Season 4 The Sacrifice (2)
- Season 4 She's Got the Devil in Her Heart
- Season 4 Body and Soul
- Season 4 Forget Me Not
- Season 4 The Portents
- Season 4 Gaslight
- Season 4 Sabbath's End
- Season 4 The Mephisto Strain
- Season 4 Infernal Affairs
- Season 4 The Beast Within
Poltergeist: The Legacy - Season 4 Episode 12 Unholy Congress (1)
6.20 60 minutes Excavations in boston discover what loks like a tomb buried deep underground. The digging has made an opening and when the builders examine it they release Dr. Mordecai Church from his long imprisonment. He kills them and sets about starting his own 'religion', recruiting young runaways as his congregation. Having no family makes leaves Church free to kill his new disciples whenever he wishes, after all who is there to complain when no one knows where they are anyway? Reed Horton soon comes across Church and recruits him for his own vendetta against The Legacy.
