When did Supernatural Season 10 Episode 23 air?
Supernatural Season 10 Episode 23 aired on May 20, 2015.


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.

Dean makes a shocking decision regarding the Mark of Cain that would change not only his life, but Sam’s too. Meanwhile, Crowley and Rowena face off and Castiel gets caught in the middle.
Direct answers for episode-level questions and details.
Supernatural Season 10 Episode 23 aired on May 20, 2015.
This episode runs for approximately 43 minutes.
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