Halloween is over, but the horrors of All Hollow's Eve will crop back up when Supernatural's Winchester brothers get a call from Sheriff Donna.

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The ebullient Midwestern cop never fails to amuse, and according to Entertainment Weekly, Briana Buckmaster's latest case will "provide a lot of laughs" even as its premise has us reaching for the salt.

"Sheriff Donna calls the boys because it seems like there is a crazed psycho-killer that's putting on Halloween masks," Jared Padalecki (Sam) told Entertainment Weekly. "The boys have to come in and find out what's powering these masks and if it's something that's possessed or if it's a ghost."

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As we saw in "Thin Lizzie," the line between paranormal murderer and your run of the mill serial killer can be pretty thin. When "Plush" airs on Nov. 18, Sam and Dean (Jensen Ackles) will have to play the crazed human/spooky baddie/Darkness guessing game once more. Perhaps the killer will be hiding his true visage behind a clown mask. That would really throw Sam for a loop.

Find out more when Supernatural airs Wednesdays at 9 p.m. ET on The CW. Catch Metatron's return in next week's "Out Little World."