Video SourcesReport Error
Supernatural: Season4 | Episode21
When the Levee Breaks
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.
S4 - E1Lazarus Rising Sep. 18, 2008
S4 - E2Are You There, God? It's Me, Dean Winchester Sep. 25, 2008
S4 - E3In the Beginning Oct. 02, 2008
S4 - E4Metamorphosis Oct. 09, 2008
S4 - E5Monster Movie Oct. 16, 2008
S4 - E6Yellow Fever Oct. 23, 2008
S4 - E7It's the Great Pumpkin, Sam Winchester Oct. 30, 2008
S4 - E8Wishful Thinking Nov. 06, 2008
S4 - E9I Know What You Did Last Summer Nov. 13, 2008
S4 - E10Heaven and Hell Nov. 20, 2008
S4 - E11Family Remains Jan. 15, 2009
S4 - E12Criss Angel is a Douchebag Jan. 22, 2009
S4 - E13After School Special Jan. 29, 2009
S4 - E14Sex and Violence Feb. 05, 2009
S4 - E15Death Takes a Holiday Mar. 12, 2009
S4 - E16On the Head of a Pin Mar. 19, 2009
S4 - E17It's a Terrible Life Mar. 26, 2009
S4 - E18The Monster at the End of this Book Apr. 02, 2009
S4 - E19Jump the Shark Apr. 23, 2009
S4 - E20The Rapture Apr. 30, 2009
S4 - E21When the Levee Breaks May. 07, 2009
S4 - E22Lucifer Rising May. 14, 2009