The CW has released an official description for the May 3 episode of Supernatural.
The episode is called “Beat the Devil” and here’s the write-up.
THE LONG JOURNEY HOME – Sam (Jared Padalecki), Dean (Jensen Ackles), Castiel (Misha Collins) and Gabriel (guest star Richard Speight, Jr.) must work together if they have any hope of bringing Mary (guest star Samantha Smith) and Jack (Alexander Calvert) home. Meanwhile, Rowena’s (guest star Ruth Connell) encounter with Lucifer (Mark Pellegrino) may alter the outcome of the journey for one of our heroes. Phil Sgriccia directed the episode written by Robert Berens (#1321). Original airdate 5/3/2018.
UPDATE: We now have some photos… enjoy!