When did Supernatural Season 4 Episode 20 air?
Supernatural Season 4 Episode 20 aired on April 30, 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.

The body Castiel walks around in isn't his. Instead, it belongs to a regular guy named Jimmy who wants his body - and his life - back. He gets the body. But the life may be a different story.
Direct answers for episode-level questions and details.
Supernatural Season 4 Episode 20 aired on April 30, 2009.
This episode runs for approximately 39 minutes.
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