Supernatural Pictures & Promo: One Final Mission?

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Can you feel it, Supernatural fans? Can you sense it?

There's a new vibe on this CW favorite, as evidenced by last night's "What's Up, Tiger Mommy?" How will it be reflected on next Wednesday's "Heartache?"

Directed by Jensen Ackles, the installment will actually feature that star's father in a guest-starring role, along with a string of unusual killings all related to the same organ recipient.

Will it truly be Sam's final mission? Watch the following promo for the episode and then click through photos from it:

Dean and a Killer
A Supernatural Investigation
Young Men in Suits
Liane Balaban as Amelia
Dean and Dad

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.

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