For a series that was only supposed to last five seasons, Supernatural has really shown some legs.
Supernatural returns for season 12 (with another day-of-the-week change) on Thursday, October 13th at 9ET on The CW.
Supernatural introduced the Men of Letters secret society back in season 8, but sibling organization British Men of Letters will pose a threat as well.
The first five seasons tell a coherent, linear story before the show sort of muddled through seasons 6-8 until they course-corrected with season 9.