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Supernatural
Watch Supernatural Season 4 Episode 21 online via TV Fanatic with over 2 options to watch the Supernatural S4E21 full episode. Affiliates with free and paid streaming include Amazon and iTunes.

Rating: 4.3 / 5.0 (3 Votes)

Episode Details

Supernatural Season 4 Episode 21: "When the Levee Breaks"

Dean and Bobby lock Sam in Bobby's panic room in order to let him detox from demon blood.

Supernatural Season 4 Episode 21 Quotes

Dean: How long is this gonna go on?
Bobby: Here, let me look it up in my demon-detox manual. Oh, wait. No one ever wrote one.

Congrats, Sammy. You just bought yourself a benchwarmer seat to the Apocalypse.

Dean
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