What we know about episode 15.
 
The official press release
 
“Somewhere Between Heaven and Hell” — (8:00-9:00 p.m. ET) (Content Rating TBD) (HDTV)

THE HOUNDS OF HELL – An attack by an invisible hellhound at a campsite leads Sam (Jared Padalecki) and Dean (Jensen Ackles) to investigate the mysterious circumstances. Meanwhile, two of Crowley’s (Mark A. Sheppard) own personal demons uncover what he has been hiding. Castiel (Misha Collins) gets a lead on Kelly Kline. Directed by Nina Lopez-Corrado, the episode was written by Davy Perez. (#1215). Original airdate 3/9/2017.
 
 The official trailer
 
 
 The sneak peek
 
 
Inside Supernatural
 
 
The promotional pictures
 
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Albums

 
Sam and Dean hunt a Hellhound or as Crowley calls it THE Hellhound. Cas continues to hunt for the mother of Lucifer's child. Lucifer escapes!  All written by Davy Perez, whose work I have enjoyed quite a bit. What do you think? Tell us in the comments or in the discussion thread for episode 15.