Resurrection

Resurrection is the ability to bring the dead back to life. This is mostly achieved by deals with demons and by the will of angels

Things That Can Resurrect

Beings

• Angels - Angels have the ability to resurrect the dead, however healing and resurrection appear to be tied to Heaven, and thus an angel can be cut off from using those abilities. Higher orders of angels such as archangels and seraphim can resurrect humans without connection to the Host of Heaven.
• Cosmic Entity - It can bring back any inhabitants of it's realm, the Empty.
• God - God can resurrect humans and angels at will. However, archangels, being the created from pure primordial creation take more time to resurrect.

Magic

• Deals and pacts - Making deals with demons can bring the dead back the life.
• Mark of Cain - Possessors of the Mark will be brought back upon death and turned into demons.
• Resurrection charm - People who bear this charm can come back to life, however the charm requires recharging after any use.
• Tiamat Talisman - If the owner of the coin takes it out of it's well, all wishes will be undone, including any wishes to kill someone.

Episodes

2.22 All Hell Breaks Loose: Part Two

In a competition between the Special Children set up by Azazel, Sam is killed by Jake Talley. A distraught Dean makes a deal with a Crossroads Demon to bring Sam back to life, selling his soul for one year instead of the standard ten years to being Sam back.

4.01 Lazarus Rising

After being in Hell for four months (forty years Hell time), the angel Castiel pulls Dean out of Hell and brings him back to life on the Host of Heaven's command.

4.08 Wishful Thinking

To reverse all wishes of a Tiamat Coin, Sam and Dean confront it's owner, Wes Mondale. His lover, Hope Lynn Casey who is with Wes due to the coin, overhears their conversation and realizes that if the spell in broken her love for Wes will be gone. To try to save there relationship, she wishes Sam dead, who dies of lighting. Wes realizing what he has done, removes the coin and Sam is brought back to life.

5.01 Sympathy for the Devil

After Castiel is smote by the Archangel Raphael for rebelling, his is brought back by God.

5.22 Swan Song

After throwing a Molotov cocktail of holy oil at Michael to give Dean time to reach Sam, Lucifer snaps his fingers and takes Castiel apart at a sub-atomic level. After Sam regains control of his body and jumps into the Cage with Michael, Castiel is brought back by God, having also been upgraded to a seraphim.

9.03 I'm No Angel

After a human Castiel is killed by the reaper April Kelly, he is brought back by Gadreel on Dean's request.

9.23 Do You Believe in Miracles?

Dean, empowered by the Mark of Cain, believes he can take on the angel Metatron. The two fight, and Dean is stabbed through the heart with an angel blade. The Mark, unwilling to let it's wielder die, brings Dean back as as demon.

13.21 Beat the Devil

When Sam is killed by vampires from Apocalypse World, he was "lifted from the darkness" by Lucifer, who brought him back to make a deal. In exchange for his life, Lucifer wanted Sam to help him meet his son, threatening Sam by claiming he will release the horde of vampires he is keeping at bay onto the younger Winchester.

13.23 Let the Good Times Roll

After learning of Maggie's death, a distraught Jack reconnects with Lucifer and agrees to go with him to explore the universe. But before they leave, Jack forces his father to resurrect Maggie. A hesitant Lucifer warns Jack that people can come back different, but is eventually forced to bring Maggie back to life.