Largest Review/Discussion Fansite for Supernatural and SPNFamily Shows! Plot/Character Analysis, Spoilers, Games, News, Gallery, Interviews, Fun!
We have the description of the May 11 episode.

All in the Family” — (9:00-10:00 p.m. ET)

THE WAR CONTINUES – Amara (guest star Emily Swallows) shows Dean (Jensen Ackles) how she’s torturing Lucifer (Misha Collins). Worried for Castiel, Dean and Sam (Jared Padalecki) come up with a plan to rescue him from Amara’s clutches. Thomas J. Wright directed the episode written by Eugenie Ross-Leming & Brad Buckner (#1121). Original airdate 5/11/2016.

So we get back to Amara and Lucifer. Will Sam and Dean be able to rescue Cas? Will they end up rescuing Lucifer as well as Cas? Will Dean be able to resist Amara? What do you think will happen? Let us know in the comments or in the discussion thread for episode 21.