Season 4, Episode 16 On the Head of a Pin
First Aired: March 19, 2009
Someone is using Lucifer's sword to kill angels. Castiel and Uriel ask Dean to use the torturing skills he learned in hell to obtain information from a likely suspect.
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- Premiered: September 21, 2006
- Rating: TV-14
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- Premise: Two brothers hunt demons, ghosts and other supernatural entities as they investigate crimes caused by paranormal forces. (more)