Supernatural: The Devil You Know (5x20) | Recap & Lore

Supernatural Season 5, Episode 20, The Devil You Know recap 😈 Crowley (Mark Sheppard) teams up with the Winchesters to hunt Pestilence, and the trail leads to a demon (Eric Johnson) running a pharmaceutical company, and to an old friend of Sam's from Stanford, on Denim-wrapped Nightmares, a Supernatural rewatch podcast. The episode opens in a lab where a scientist gets infected with the Croatoan virus and does... very bad things to his coworker, giving us our 29th blood splooge of the series...