Is the key to all the mysteries on this show found in the past?
It certainly seemed that way on Supernatural Season 11 Episode 16 when a mysterious entity was unleashed on a family home and attacked a mother and daughter, leaving them both in a coma.
Sam and Dean made it their mission to find out what was going on, but they realized that Bobby was the one who held all the secrets because he came up against the same creature.
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Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.