Tonight is the last episode of Supernatural's eighth season, and we have photos and preview videos to give you a little sneak peak. For those that missed the recent news, The CW officially renewed Supernatural for a 9th season, which will begin to air later this year.

It has also confirmed that Misha Collins will be back as a series regular in the ninth season. Read more about it at:

Supernatural Episode 8.23: Sacrifice - "With Crowley (guest star Mark Sheppard) poised to undo all the good they've ever done as hunters, Sam and Dean find themselves cornered. But with Kevin's (guest star Osric Chau) help, the Winchester brothers bound into one last play against The Demon King. Metatron (guest star Curtis Armstrong) initiates a plan with Castiel to take on Naomi (guest star Amanda Tapping) and the bureaucracy of Heaven. Alaina Huffman and Kim Rhodes also guest star. Phil Sgriccia directed the episode written by Jeremy Carver."