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EPISODE · THE CW
Season 4 · Episode 21
Landed Thu, 7 May 2009 · 21:00 your time · 1 episode · 1h 0m
Season 4, Episode 21 of Supernatural aired Thursday, 7 May 2009 at 9pm ET on The CW.
- S04E21When the Levee BreaksDean and Bobby lock Sam in Bobby's panic room so he can detox from the demon blood. However, as Bobby sees more seals are being broken he tells Dean they should let Sam out to help them fight the impending apocalypse. Dean disagrees and goes to Castiel for help. Sam and Dean have a big blowout confrontation.
NEXT IN SEASON 4
Episode 22 · season finale
Thu 14 May · 21:00
Supernatural
15 seasons · 327 episodes · ended
AVAILABILITY
Airs on The CW; availability in United States may differ.
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