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.

[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.