[1940s AU] Castiel is a tireless workaholic who loves catching bad guys and putting them behind bars, but forced vacation time puts the detective out of his element. Aboard a seafaring vessel, he must race the clock to find "Crowley", an arms dealer who is illegally smuggling weapons into the States. However, "Crowley" finds him first and complications arise.

[Season 10 AU] After their mission to round up the remaining rogue angels proves relatively successful, Castiel and Hannah take a slight detour and explore Yellowstone National Park together.

[Season 8 Finale/9 Premiere UA] Inias is alive, and this is the Fall as he experienced it. With angered angels gearing to hunt down Castiel, Inias must race the clock to find his commanding officer.

Meg's been a fugitive of Hell ever since Lucifer was locked back up in the Cage and Crowley seized the throne, and she's certainly not the only Lucifer-loyalist on the run. Apparently demons in exile have their own way of celebrating Christmas. Implied Megstiel.

A fiction in which it's Castiel who winds up in an alternate universe, where neither angels nor demons exist, and he lands in the shoes of an actor called "Misha Collins".

[Season 8 AU] While Naomi has a formidable hold on Heaven, there are other contenders at play, amassing their own factions. One of them manages to get a hold of Castiel, and begins to work on defragging him of her deeply-rooted influence in his mind. Castiel is put to the test in a way he never imagined: he must care for a pashs— an infant angel.

[Season 5 AU] While Castiel is out looking for God, he receives a distress signal from Dean. After once again bailing the hunter out, Castiel reluctantly decides to take a much-needed break from his wild goose chase. Character bonding ensues.

[Season 6 AU] While on a hunt, the Winchesters hit a brutal snag: Sam breaks his leg, and it's Castiel's fault.

Supernatural End!verse AU which digs deeper into the going-ons of Camp Chitaqua. Dean and Castiel embark on a supply run only to wind up separated from their group. They must fight tooth and nail to get back to home base, and while they struggle to survive, old wounds are reopened between the two old friends.

An alternate Season 9 finale which bleeds into an alternate Season 10 premiere.

The Trickster strikes again. Sam and Dean Winchester awake inserted in the infamous YouTube short "Don't Hug Me I'm Scared", and they must fight to escape with their lives.

It's been sixth months since the Fall. Team Free Will is still holed up in the bunker. Kevin has been pulled out of isolation, Castiel is human, and Sam is hosting an angel in his body. The four boys have been adjusting to their new, more stationary lives, and it's had its ups and downs. But as the holiday season draws nearer, their ties become strained.

While Team Free Will has been duking it out with demons and fallen angels on Earth, something is amiss in Heaven, and everybody's favorite Roadhouse-frequenter, Ash, is very aware that there is trouble in paradise. With his sights now set on the angel Metatron, a new uprising in the afterlife is just what the doctor ordered.

Dean takes Castiel to Times Square for the New Years' Ball Drop. /1st person narrative as Dean Winchester.

Doctor Who shatters the fourth wall in the Supernatural Universe when Dean's Impala nearly collides with a plummeting TARDIS. Both The Doctor and the Winchesters are in for a hell of a surprise that will rock their own respective worlds.

Sam and Dean Winchester have had plenty of over-the-top-crazy jobs before, but this one undoubtedly tops them all. When the boys find the mysterious town of Night Vale, all logic is thrown to the wind. Nothing makes sense, and it's enough to drive any sane person mad. But they can't leave. How will the brothers escape this nightmarish Wonderland of the Southwest United States?

Castiel is unexpectedly zapped into the TARDIS, and there he finds a mysterious man with the power of time travel at his fingertips. Castiel is not sure this man is readily worthy of his trust, having such god-like power in his possession. Will the Doctor be able to change Castiel's impression of him? Or will Castiel deem the Doctor a threat that needs to be exterminated?

Castiel has left Jimmy out of the blue, and Jimmy has grown extremely resentful of Castiel for dragging his body all over planet Earth. But even when swept up in a torrent of targeted attacks, his heart remains hardened. With the Winchesters gunning at his heels to safeguard him, will Jimmy Novak be convinced to let Castiel back in when the time comes to reclaim his vessel?

The Allies and Axis are pitted against each other once again, but this time in a "friendly" game of Capture the Flag. Or a more extreme version, rather. Anything can happen. Will you spectate? Which team are you rooting for? Which team will emerge victorious?

After pestering England for a peek into the Wizarding World in which the United Kingdom is home to, Japan is enrolled into Hogwarts School of Witchcraft and Wizardry, and he gets much, /much/ more than what he bargained for.