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. However, what he's not prepared for is the deadly alarm system Magnus set up on the box. When Sam opens the box, he puts both his and Dean's life in danger.
Season 10 Episode 19 of Supernatural was watched by 1,630,000 viewers, resulting in a 0.70 rating in the 18-49 demographic.
Is Supernatural Renewed or Cancelled for Season 11?
s10e01 - Black
s10e02 - Reichenbach
s10e03 - Soul Survivor
s10e04 - Paper Moon
s10e05 - Fan Fiction
s10e06 - Ask Jeeves
s10e07 - Girls, Girls, Girls
s10e08 - Hibbing 911
s10e09 - The Things We Leave Behind
s10e10 - The Hunter Games
s10e11 - There's No Place Like Home
s10e12 - About a Boy
s10e13 - Halt & Catch Fire
s10e14 - The Executioner's Song
s10e15 - The Things They Carried
s10e16 - Paint It Black
s10e17 - Inside Man
s10e18 - Book of the Damned
s10e19 - The Werther Project
s10e20 - Angel Heart
s10e21 - Dark Dynasty
s10e22 - The Prisoner
s10e23 - Brother's Keeper
Sam Winchester is a college student bound for law school, determined to escape his family's past - unlike his older brother, Dean. Ever since they were little their father has been consumed with an obsession to find the evil forces that cuddled his beloved wife, and recruited his two young sons to help them. They have grown up as hunters of the supernatural. Sam escaped this way of life after high school, and now has a happy life with his girlfriend, Jessica, and a promising future career. Dean, however, stayed behind with his father to join him in his "hunting".
After Dean arrives for Sam's help when their father goes missing, Sam must join his brother to find him. His one weekend trip to search for the missing John Winchester becomes an ongoing quest after a horrible tragedy ruins any thought of a happy life for Sam.
The two brothers, bound by tragedy and blood to their mission, travel across the country encountering terrifying and dangerous forces most believe to be nothing but superstition and folklore, such as the Lady in White, the Indian beast known as the Wendigo, Phantom Travelers who cause plane crashes, Bloody Mary, and many more.