When did Supernatural Season 4 Episode 13 air?
Supernatural Season 4 Episode 13 aired on January 29, 2009.


Between darkness and deliverance.
When they were boys, Sam and Dean Winchester lost their mother to a mysterious and demonic supernatural force. Subsequently, their father raised them to be soldiers. He taught them about the paranormal evil that lives in the dark corners and on the back roads of America ... and he taught them how to kill it. Now, the Winchester brothers crisscross the country in their '67 Chevy Impala, battling every kind of supernatural threat they encounter along the way.

Fast times at Truman High. Murder brings Sam and Dean back to one of their old high schools, where they investigate possible demonic possession and take a few trips down memory lane.
Direct answers for episode-level questions and details.
Supernatural Season 4 Episode 13 aired on January 29, 2009.
This episode runs for approximately 40 minutes.
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