Which old friend returned to the fold?
On Supernatural Season 15 Episode 6 Sam and Dean were surprised by the return of this old friend.
What did she want with them?
Meanwhile, Castiel went on a solo mission to investigate the disappearance of a local teen.
What happened to him along the way?
Elsewhere, a peace deal with the angels threatened to change everything for the characters.
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.