Where To Stream Supernatural Season 4 Episode 21
When the Levee Breaks
- Aired May 7, 2009
- 60 Min
- Rated 8.2
- Number 65 Of 327 Rated Episodes
Dean 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.