Season 6, Episode 22 The Man Who Knew Too Much
First Aired: May 20, 2011
In the Season 6 finale, the memory-blocking wall inside of Sam's head that keeps his darkest memories from him comes crashing down and he struggles to deal with the consequences.
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- Premiered: September 21, 2006
- Rating: TV-14
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- Premise: Two brothers hunt demons, ghosts and other supernatural entities as they investigate crimes caused by paranormal forces. (more)