While working on a case involving the ghost of a demented doctor, Sam and Dean get assistance from an unexpected source. Castiel finds his way back to the Winchesters.
| Title | Advanced Thanatology |
|---|---|
| Genres | Drama Mystery Sci-Fi & Fantasy |
| Release Date | 2017-11-09 |
| Episode Runtime | 00 Hours 45 Minutes |
| Season Number | 13 |
| Episode Number | 5 |
| Production Companies | Kripke Enterprises, Supernatural Pictures, Wonderland Sound and Vision, Warner Bros. Television |
