Supernatural Season 13 Episode 20
Unfinished Business
Gabriel is back and drags Sam and Dean into his plot for revenge on the demigods who sold him to Asmodeus. Meanwhile, Jack's inflating confidence leads to reckless decisions that could put others in harm's way.
Guest Stars
Fletcher Donovan
Sleipnir
Sandy Robson
Fenrir Odinsbane
Tarun Keram
Jakob
Michael Adamthwaite
Narfi
Ruth Connell
Rowena MacLeod