The CW released the Official Description of the Episode 5.20 called “The Devil You Know“, to be aired on April 29.
You can read the official description…
5.20 – “The Devil You Know” Official Episode Description
SAM AND DEAN FACE OFF AGAINST THE HORSEMEN — The demon Crowley (guest star Mark Sheppard) tells Sam (Jared Padalecki) and Dean (Jensen Ackles) he can help them find the remaining Horsemen rings so they can trap Lucifer. The brothers are doubtful until Crowley leads them to Brady (guest star Eric Johnson), the Handler for Pestilence (guest star Matt Frewer) and Death. However, Brady refuses to give up their locations and sets Pestilence after the Winchesters.
Robert Singer directed the episode written by Ben Edlund.
