In The Wilderness Of This World by pinkdiamonds (Explicit)

[melagan]

Show: SGA/Supernatural

Rec Category: Crossovers
Characters: John Sheppard, Rodney McKay, Dean Winchester, Castiel, Sam Winchester
Pairings: John/Rodney, Dean/Castiel
Categories: Slash
Warnings: Major Character death. (Drug abuse, suicide, and non-con are all off screen. Rape is implied only, but still may be triggering for some.)
Author's Journal: unknown
Author's Website: AO3
Link: In The Wilderness Of This World

Why This Must Be Read: John and Rodney are forced to make a desperate trip through a quantum mirror in order to procure a ZPM. They find help from a former hunter, Dean Winchester, and a former angel, Castiel.
This is a well-written, well-imagined crossover. There's plenty to please a fan of either show's pairings.


John returned to the table and took the measure of the two men still seated. “You know there’s a very good chance we won’t get back. We are talking about worlds that have been destroyed one way or another. No matter what kind of data we get from Zelenka’s new gizmo, we really have no idea what we’re gonna find.”