It's from one iconic, fan favori series to another for Charisma Carpenter! The Buffy alum spent some time up in Vancouver this summer filming a very special guest starring role on Supernatural, and from what she told us about her "Shut Up, Dr. Phil" appearance (with a titre like that, toi know it's going to be good!), the episode itself is sure to be iconic all on its own.

Click here for a photo prévisualiser of Carpenter guest starring in Supernatural.

Last we saw the Winchester Brothers, Dean (Jensen Ackles) was just put on trial for his sins, and though he is out of the defendant's hot seat, his...