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Dean - Supernatural Season 10 Episode 19
Watch Supernatural Season 10 Episode 19
"The Werther Project"
Original Air Date:

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.

Removing the Mark of Cain - Supernatural
Watch Supernatural Season 10 Episode 18
"Book of the Damned"
Original Air Date:

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.

Rowena's Tattoos - Supernatural Season 10 Episode 17
Watch Supernatural Season 10 Episode 17
"Inside Man"
Original Air Date:

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

Dean Investigates - Supernatural Season 10 Episode 16
Watch Supernatural Season 10 Episode 16
"Paint It Black"
Original Air Date:

Sam and Dean investigate a number of mysterious murders on Supernatural Season 10 Episode 16. Meanwhile, Rowena seeks out the Coven.

Sam Hunting - Supernatural Season 10 Episode 15
Watch Supernatural Season 10 Episode 15
"The Things They Carried"
Original Air Date:

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?

Cain Returns - Supernatural
Watch Supernatural Season 10 Episode 14
"The Executioner's Song"
Original Air Date:

On Supernatural Season 10 Episode 14, Cain retuns while Rowena confronts Crowley when he bails on plans with his mother to help the Winchesters.

Dean Breaking Computers - Supernatural Season 10 Episode 13
Watch Supernatural Season 10 Episode 13
"Halt & Catch Fire"
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A ghost starts killing people through various electronic devices on Supernatural Season 10 Episode 13. Can Sam and Dean delete it?

Sam and Young Dean - Supernatural Season 10 Episode 12
Watch Supernatural Season 10 Episode 12
"About A Boy"
Original Air Date:

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?

Surprised Sam - Supernatural Season 10 Episode 11
Watch Supernatural Season 10 Episode 11
"There's No Place Like Home"
Original Air Date:

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!

I'll Cut You - Supernatural
Watch Supernatural Season 10 Episode 10
"The Hunter Games"
Original Air Date:

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.

When you watch Supernatural online you will get to know brother Sam and Dean Winchester. Their mother was killed when Sam was just a baby by a demon and their father went on a hunt to find the creature that did it. That means that the brothers had only each other and a lot of cheap hotel rooms in which to grow up. Big brother Dean looked after his little brother, and Sam was able to have a relatively normal upbringing under the circumstances. That changed when John Winchester went missing and Dean had to enlist his brother's help, ripping him out of college, to roam the country in search of clues leading to his father. When you watch Supernatural online you will be with the brothers in their search and meet the creatures they run into and eradicate along the way. They have brushes with demons, the king of hell (Crowley), Death (himself) and even Lucifer. The brothers are renowned for their work and both feared and revered, depending upon who you ask. When you watch Supernatural online you'll also meet their angel friend, Castiel, who works along side them with the king of hell. If it sounds strange, it isn't. You need to watch Supernatural online now. You have work to do!

Supernatural Quotes

Dean: So you’re saying we’re both a couple of dumbasses.
Cas: I prefer the word trusting. Less dumb, less ass.

Did you know that a cat's penis is sharply barbed along it's shaft? I know for a fact the females were not consulted about that.

Castiel