Amara shows Dean how she’s torturing Lucifer. Worried for Castiel, Dean and Sam come up with a plan to rescue him from Amara’s clutches.

Amara unleashes a dark fog on a small town, causing everyone to go mad. Dean and Sam realize this is a stronger version of the original black vein virus Amara…

Castiel seeks out Metatron’s help to stop the Darkness. However, Metatron is pretty happy with his new life as a freelance videographer for the local news and isn’t inclined to…

Charlie calls Sam and Dean to tell them she found the Book of the Dead which could help remove the Mark of Cain. The Winchesters race to her after she…

Sam and Castiel follow up on a lead about the Mark of Cain. Dean and Rowena meet.

After the massacre at the ranch, Dean, Sam, and Castiel double their efforts to find a cure for the Mark of Cain but there is nothing in the lore that…

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…

After attacking Gadreel, Dean leaves with Crowley to track down Metatron and kill him. Meanwhile, Gadreel takes Castiel into Heaven to try and break Metatron’s connection to the angel tablet,…

After a suicide angel takes out an ice cream shop to kill one enemy angel, Sam and Dean investigate and discover that the target was one of Metatron’s angels… and…

Castriel investigates the mass slaughter of angels and finds a lone survivor… and an old friend. Meanwhile, Sam and Dean capture Gadreel, and Metatron begins the ending of his story.

Dean and Castiel make a deal with Crowley to contact Sam’s consciousness so he can expel the angel Gadreel from his body. However, Abaddon is hot on their trail and…

The angels fight each other in bloody civil war, and Castiel is swept up in the conflict. Meanwhile, Dean realizes that Ezekiel is not who he claims to be and…

With Crowley poised to undo all the good they’ve ever done as hunters, Sam and Dean find themselves cornered. But with Kevin’s help, the Winchester brothers bound into one last…

Sam and Dean reunite with Castiel. Digging through the Men of Letters’ files, they stumble upon an undiscovered film which could be the key to the third trial. Metatron enlists…

When Sam and Dean receive a distressing video message from Kevin Tran, they set about trying to uncover the Third Trial. The boys make a discovery that sends them to…