When did Supernatural Season 10 Episode 21 air?
Supernatural Season 10 Episode 21 aired on May 6, 2015.
Supernatural
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.
Created by: Eric Kripke
Season 10 · Episode 21
Dark Dynasty
May 6, 2015·42m
Dean and Sam investigate a bizarre murder and realize the killer bears the same tattoo as those from the Styne family. Meanwhile, Castiel acts as referee when Charlie and Rowena are forced to work together on the Book of the Damned. When Crowley discovers that his mother is missing, he turns to an old enemy for help.
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How long is Supernatural Season 10 Episode 21?
This episode runs for approximately 42 minutes.
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