Supernatural raised the stakes and upped the intensity on "Clip Show" last night, preparing fans for what ought to be a crazy Season 8 finale.

Titled "Sacrifice," it will feature Sam and Dean receiving help from Kevin as they go up one final time against The Demon King, while Metatron teams with Castiel to take on Naomi and the bureaucracy of Heaven.

Watch the official CW teaser now:

And now check out a sneak peek of the brothers confronting Crowley:

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