"Supernatural" Season 12 episode 13 titled "Family Feud" is expected to see the return of the devil, which will also feature some backstory about his family life. Spoilers for the upcoming episode of The CW drama tease that viewers will see a "borderline shocking" moment ahead.

This article contains spoilers. Continue reading if you wish to learn more about the story.

"Supernatural" Season 12 episode 13 spoilers tease that there will be some "borderline shocking" moments ahead, as Crowley will be reuniting with his son Gavin as well as his mother Rowena. Speaking with TVLine, actress Ruth Connell teased that their relationship as a family will be explored further in the upcoming episode.

"Supernatural" Season 12 spoilers from the actress tease that Gavin's return will be a "big one" for Crowley. Meanwhile, other spoilers for the upcoming episode from Fansided hint on the potential return of Mark Pelligrino as Lucifer.

According to the publication, "Supernatural" Season 12 recently showed Crowley with Lucifer and many fans are expecting to see them fight behind bars. It remains to be seen whether Pelligrino will physically return to The CW series, but it is more likely that he will simply be lending his voice to the character.

Other "Supernatural" Season 12 spoilers are also noting on the possibility that the season's Big Bad is none other than Lucifer's baby. According to the outlet, the handgun is often used to conquer the season's villain and from the looks of things this season, Sam and Dean Winchester may be battling against Lucifer, the British Men of Letters, or Lucifer's baby.

Aside from this, "Supernatural" Season 12 episode 13 spoilers also show that Sam and Dean will discover about their mother, Mary's dealings with the British Men of Letters. This is expected to drive a wedge between Sam, Dean and their mother.

Do you think Lucifer's baby will be the Big Bad in "Supernatural" Season 12? Let us know your thoughts in the comments section below!