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Sam vs. Dean - Supernatural Season 10 Episode 23
Watch Supernatural Season 10 Episode 23
"Brother's Keeper"
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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.

Dealing With the Decision - Supernatural
Watch Supernatural Season 10 Episode 22
"The Prisoner"
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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.

Reading Rowena - Supernatural Season 10 Episode 21
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"Dark Dynasty"
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Dean and Sam investigate a bizarre murder and realize the killer bears the same tattoo as those from the Styne family.

Dean and Castiel - Supernatural Season 10 Episode 20
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"Angel Heart"
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How far will Castiel go? That's the main question hovering over Supernatural Season 10 Episode 20.

Dean - Supernatural Season 10 Episode 19
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"The Werther Project"
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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"
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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
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"Inside Man"
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Sam and Castiel follow up on a lead about the Mark of Cain. Dean and Rowena meet.

Dean Investigates - Supernatural Season 10 Episode 16
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"Paint It Black"
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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"
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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.

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

You're wrong. I am utterly indifferent to sexual orientation. On the other hand, I cannot abide hypocrites like you, Reverend. Tell your flock where your genitals have been before you speak for me.

Castiel

Do you ever get tired of urinating? I'll never get used to it.

Castiel