Did Sam and Dean manage to crack their first animated case?
That was the big question on Supernatural Season 13 Episode 16 when the brothers were transported to the animated world of Scooby Doo and join forces with the characters.
With a deadly killer on the loose, it emerged that someone close to the Scooby gang knew more than they first told the team.
Who helped the brothers get out of the animated world?
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Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.