Back to Season 4When the Levee Breaks
Supernatural · S4 E21

When the Levee Breaks

May 7, 2009 · 43m · 8.2 TMDB
Dean and Bobby have something frightening locked in Bobby's panic room: Sam, who is corrupted by demon blood. With the apocalypse drawing nearer, Bobby wants to free Sam to fight on their side.
Dean and Bobby have something frightening locked in Bobby's panic room: Sam, who is corrupted by demon blood. With the apocalypse drawing nearer, Bobby wants to free Sam to fight on their side.

Guest stars

Misha Collins
Misha Collins
Castiel
Colin Ford
Colin Ford
Young Sam Winchester
Julie McNiven
Julie McNiven
Anna Milton
Christopher Heyerdahl
Christopher Heyerdahl
Alastair
Juliana Wimbles
Juliana Wimbles
Demon Nurse
Joey Bothwell
Joey Bothwell
Nurse
Genevieve Padalecki
Genevieve Padalecki
Ruby
Samantha Smith
Samantha Smith
Mary Winchester
Jim Beaver
Jim Beaver
Bobby Singer

Crew

Sera Gamble
Sera Gamble
Writer
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Supernatural: S4 E21 — When the Levee Breaks | Flick