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Supernatural: Season 4

4x21 When the Levee Breaks

  • 2009-05-08T03:00:00+03:00 on The CW
  • 42 mins
  • United States
  • English
  • Drama, Mystery, Fantasy, Science Fiction, Action

Dean and Bobby have something frightening locked in Bobby's panic room: Sam, contaminated by demon blood. But as the apocalypse draws nearer, Bobby wants to free Sam to battle on their side.