In which Anastasia Singer and Dean Winchester, along with Dean's younger brother Sam track down Azazel the demon responsible for the deaths of their mother Mary and father John. The brothers and Ana discover the demon's plan for Sam and other psychic children, who were young adults who were visited by Azazel as infants and given abilities, whose mothers had died in a fire. During their travels of finding the demon, the brothers and Ana use John's journal to help them on hunts. They meet some new people, make some new friends, and like always make new enemies, but that all comes in the territory of being a supernatural hunter. Let alone dating a supernatural hunter. 

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Scarlett Johansson
as
Anastasia Singer

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Jensen Ackles
as
Dean Winchester

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Jared Padalecki
as
Sam Winchester

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Jim Beaver
as
Bobby Singer

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Ever Anderson
as
Young Anastasia Singer

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AJ Cook
as
Amelia Harvelle

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Ian Somerholder
as
Damon Hartley

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rest of the cast as themselves