Sam and Dean discover a group of witches gone wild and they attempt to stop them. ...

Sam continues to try to save Dean from the Mark of Cain. Realizing that Dean's antics are causing problems for him in hell, Crowley seeks help from a reluctant Castiel. ...

Crowley is worried about Dean getting out of control, giving him a target to feed the mark. Sam struggles to escape from Cole. Hannah tries to convince Metatron to give C ...

Dean is a demon and running amuck with Crowley while Sam tries to figure out what happened to his brother. Meanwhile, Castiel is dealing with his diminishing grace. ...

The influence of the mark on Dean reaches new heights, as Metatron begins to reveal himself to humanity. ...

Angels are committing suicide in Castiel's name. Sam and Dean try to find out why. ...

When Castiel rejects Metatron's offer to join forces, a surprising plan is set in motion; Gadreel is apprehended. ...

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