Wondering what to expect from the (potentially final) next season of Supernatural? The teaser trailer suggests that the answer is apocalypse, war, and the soundtrack of O, Brother, Where Are Thou?. Click through to see for yourself.

(To Amy who asked, the song is "O, Death" by RISE, we think.)

Call us heretics, but we're more excited by this earlier trailer:


Supernatural Season 5 premieres on the CW on September 10th.