4x09: Ghost Hunter
4x08: Echoes of the Past
4x07: Spellbound
4x06: Where Evil Lurks
4x04: The Apartment
4x03: The Calling
4x02: The Awakening
4x01: Dark Wrath
3x10: The Dark Side
3x09: The Presence
3x08: The Possessed
3x06: The Forgotten
3x04: The Unleashed
3x03: Hidden Terrror
3x02: The Attic
3x01: Fear House
2x07: Dark Forest
2x06: Hungry Ghosts
2x05: House of the Dead