Watch Supernatural Season 10 Online
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Dean makes a shocking decision regarding the Mark of Cain that would change not only his life, but Sam’s too.
On Supernatural Season 10 Episode 22, Sam tries to come to terms with his decision while Dean decides to take matters with the Stynes into his own hands.
Dean and Sam investigate a bizarre murder and realize the killer bears the same tattoo as those from the Styne family.
How far will Castiel go? That's the main question hovering over Supernatural Season 10 Episode 20.
Sam learns that former Men of Letters, Magnus, once built a magical box, and Sam sets out to find it in the hopes it can cure Dean of the Mark of Cain.
On Supernatural Season 10 Episode 18, Sam and Dean get a call from Charlie who tells them she found the Book of the Dead that could help remove the Mark of Cain.
Sam and Castiel follow up on a lead about the Mark of Cain. Dean and Rowena meet.
Sam and Dean investigate a number of mysterious murders on Supernatural Season 10 Episode 16. Meanwhile, Rowena seeks out the Coven.
Sam and Dean's new case leads them to find Cole. But will they team up or is Cole still a threat to the Winchester brothers?
On Supernatural Season 10 Episode 14, Cain retuns while Rowena confronts Crowley when he bails on plans with his mother to help the Winchesters.
A ghost starts killing people through various electronic devices on Supernatural Season 10 Episode 13. Can Sam and Dean delete it?
Dean is transformed into his 14-year-old self after the Winchester brothers deal with an evil witch. Will Dean turn back into himself again?
An old friend returns to Supernatural. But Sam and Dean are still trying to deal with the Mark of Cain. We'll run this episode down when it airs!
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 can help them.
On Supernatural Season 10 Episode 9, Castiel finds Jimmy's daughter in a group home and calls on Sam and Dean to help him find her when she breaks out.
On Supernatural, Jody Mills is required to attend a Sheriff's retreat and winds up partnered with an over-eager Sheriff who wants to bond.
Supernatural Seaso 10 Episode 7 is titled "Girls, Girls, Girls." It will find Sam and Dean investigating a brothel full of witches.
On Supernatural Season 10 Epispde 6, Sam and Dean take a road trip. They aim to ensure Bobby's kin receive the fortune they are due after an heiress dies.
Supernatural celebrates its 200th episode with a bit of meta fiction when Sam and Dean discover a musical production about their lives at when they investigate the disappearance of a teacher.
On Supernatural, when werewolf attacks are reported Sam and Dean head out to see what is going on only to learn it is Kate, the werewolf they let live!
On Supernatural, when Crowley believes Dean's demonic antics are creating problems in hell, he turns to an unlikely source for help - Castiel.
On Supernatural when Dean's aggression seems to grow out of control, he thinks it's just a side effect of being a Demon. Crowley has another reason for it.
This is the tenth season premiere for The CW Series Supernatural.