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Summary
Sam continues his efforts to save Dean from the Mark of Cain. Crowley realizes Dean’s demonic antics are starting to cause problems for him in Hell so he searches out an unlikely ally.
Episode Guide
Season 01
Season 02
Season 03
Season 04
Season 05
Season 06
Season 07
Season 08
Season 09
Season 10
Season 11
Season 12
Season 13
Season 14
Season 15