Supernatural's Crowley has fallen off the wagon, and his new addiction will surprise you.

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Just as Sam (Jared Padalecki) once succumbed to the siren song of demon blood, Crowley (Mark Sheppard) will be ensnared by human blood when the Winchesters find him in "Blade Runner." Luckily for the King of Hell, it appears he will still be injecting his drug rather than drinking it by the gallon.

Crowley has been MIA for several episodes recently, and it doesn't look like he will be making an appearance in next Tuesday's Ghostfacers episode either. Instead, the reigning demon will be busy ordering one of his minions (Rebecca Marshall) to find him his latest obsession. Unfortunately, his demonic pal will be in Abaddon's (Alaina Huffman) pocket, and the Winchesters' search for the First Blade will be exposed.

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It looks like viewers will finally be seeing the full effects of Sam's unfinished demon cure. The menacing King of Hell received a brief taste of humanity during last season's "Sacrifice," and he appears to have liked it.

"I wouldn't say he's cured, the situation was never finished," Sheppard told MTV last summer. "I'm pretty certain, I'm very certain, that it has had a profound effect on him, and it's not exactly going to be the easies thing for him to shrug off."

Find out more when Supernatural airs Tuesdays at 9 p.m. ET on The CW. Click the video below to see a glimpse of Crowley "unhinged

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Supernatural, The cw, Television