User blog comment:Rafe Adler/Top 10 Things I want in Supernatural Season 12/@comment-109.252.105.142-20160927175734/@comment-26982641-20160928160428

Yup, Dabb said that episode 12 will be about Castiel and his past, we'll have pretty cool flashbacks according to him. I think that we can see his wings only at that flashbacks.