Can torture be God's work? After seven angels are mysteriously murdered, Castiel and Uriel demand that Dean use the agony-inducing skills he learned in Hell to extract information from Alastair.
| Title | On the Head of a Pin |
|---|---|
| Genres | Drama Mystery Sci-Fi & Fantasy |
| Release Date | 2009-03-19 |
| Episode Runtime | 00 Hours 45 Minutes |
| Season Number | 4 |
| Episode Number | 16 |
| Production Companies | Kripke Enterprises, Supernatural Pictures, Wonderland Sound and Vision, Warner Bros. Television |
