Did Lucifer find a way to keep everything in order in heaven?
That was revealed on Supernatural Season 13 Episode 18 when the former villain decided the place could benefit from his ruling.
Meanwhile, Sam and Castiel tried to find out what Gabriel was really back for, but they put someone close to them in mortal danger.
Also, Dean got one step closer to finding Mary and Jack, but who was trying to make things difficult?
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Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.