The theory that there are alternate universes in which another us exists has been around for some time. What if... Sam and Dean had alternate versions of themselves in a different reality? And 'what if' those other versions of our favorite brothers were... GIRLS! AND... 'what if' by some 'Supernatural' way one of them got swapped with the other version?

Two sets of cousins, three siblings each, Prue, Piper and Phoebe Halliwell along with Dean, Sam, and Adam Winchester find out they are the most powerful witches in the world, The Charmed Ones. Follow them as they learn to control there powers and fight all sorts of evil in the first installment of the series.

Stiles Stilinski X Dean Winchester

With all his family and friends gone, Danny is sent to live with Vlad of all people. And even better yet, he’s being sent to a mysterious school in the middle of nowhere, where he can “be more himself”. I know it says Supernatural but it’s supposed to be Supernatural Academy, I just couldn’t find it

[SEQUEL] Mary Winchester knows that her baby was taken from her. Being dead for over 30 years isn't going to stop her search. An old flame alerts Sam and Dean to the dangers posed by the British Men of Letters. And Harry Potter returns at last - this time with wings. Oh, and there is the small matter of the impending birth of the child of Lucifer. Part 6 of 6.

An Alternate Universe of a Charmed/Supernatural Crossover - Not all of God's Drafts are thrown away. Some of them are aware of what Chuck is doing. This is one of them.

Persephone Jackson has faced many things, but nothing has never bothered her quite like Dean Winchester. Or, when Persie goes out to live with her Uncle Bobby to take it easy after being dragged to Tartarus and back- and things become even more complicated than she thought. Dean/Fem!Percy

No, they were not meant to be but that didn't stop them from loving each other. Nothing was lost but everything gained because that's how love goes.

Dean has grown up living with a secret that could get him killed if he made the slightest mistake, especially with the company he kept most of the time. He's survived 30 years but he has a gut feeling things are about to change. Meanwhile in New Orleans the Mikaelson's work to protect Hope from their Aunt.

The lies slip from his lips like smooth caramel, but his eyes are what give him away

Diana Winchester is in a bit of a pickle. You see, she had thought the guy she slept with in that little town was a human… she could not have foreseen during a simple salt and burn in New Orleans to getting kidnapped by Wiccan witches and being held hostage… she definitely could not have foreseen being told that she was giving birth to a miracle baby. And on top of that, she...

AU Dean is 19 when Sam is born. He has gone off to college instead of taking over the family garage, and John disowns him, vowing instead to groom little Sammy for the position. When Mary dies in a tragic car accident, John becomes an abusive alcoholic, leaving it up to Dean to protect his little brother.

Now that Dean is back from Hell, he and Sam are racing to stay ahead of angel plots, demon deals, and everything in between. But when things get too overwhelming, the Doctor might just have to step in and help.

A short story in which a wizard by accident lands in a world where his powers are both reveared or feared.

It was supposed to be a relatively straightforward mission; take out Berrisford, that's it. Instead, Alec was kidnapped by his twin and zapped across the US by a winged dickish trickster god, named 'Loki'. Now he and Ben are traveling across the US. Befriending (or pissing off) every mythological creature in existence as they search for details on their mysterious DNA donor, Dean.

An unconventional Christmas brings Dean and Hermione closer together.

John Winchester gets a call about a ghost problem in Smallville... from Lionel Luthor. Lex, Chloe, and Clark try to warn John about Lionel, but they can't get a message through. Meanwhile, Dean pays a visit to Sam at Stanford to call him in for backup.

Sam and Dean pick up the victim of a werewolf attack from the side of the road. They're used to killing monsters like werewolves, but their new friend Stiles? Not so much. His best friend is the werewolf in question, and Stiles needs the Winchesters' help to save him from a group of hunters that kidnapped him, Allison, and Lydia. Can Stiles convince them Scott's not a threat?

After the longest and most dangerous year of her life, Taylor welcomes her death. It was her time, and if it meant her family was safe and reunited, then who was she to complain? This time death would be final. Right? Wrong. Thrust into unexpected, two worlds collide, and it's up to them to fix this mess.

After a hunt gone wrong, the Winchesters find another pair of brothers stranded on the side of the highway. Seems pretty simple, but there’s just something...off about the kid.

Gordon y Kubrick encontraron unos mestizos y pensando que son peligrosos decidieron darles cacería y acabar con esos monstruos

Death was decidedly dissatisfied with the care being shown by certain bacteria towards his favorite one. He would have preferred to just reap the impertinent apes responsible, but unfortunately, that option was off the table. Luckily, a bit of research showed a different option just in time for Dean Winchester to catch up with him in a little pizzeria in Chicago. (Picks up S05Ep21)

What if Harry Potter was not a Potter at all, what if he was in fact a Winchester? Non-canon compliant. This is from my own head, and it is what I want to write. I do not own Harry Potter or Supernatural, but I do own this story idea.

What if Sam had a childhood friend met once and was never seen again until he was investigating a demon sighting. And What if Sam finds out that his childhood friend is the Demon Lord of Envy?

Sally Jackson knew her son would be hunted his entire life for his heritage and power, but she would not see him enter this terrifying new world unprepared. One rather desperate favour later, and we find Percy Jackson at twelve years old, attending Yancy Academy, having been training with his Uncle John and his cousins Sam and Dean for six years.