Ok, I confess. I knew this existed but didn't have time to find it before. I don't know which came first the pic or the fic........

Title: they'd totally be Ravenclaws, right? (http://curiouslyfic.livejournal.com/15058.html)
Fandom: HP/ST:XI fusion
Characters: Sulu/Kirk, Draco/Harry
Categories: Crossover, Crack
Rating: PG-13
Author: curiouslyfic
Why this art is awesome: In which the bridge crew are Ravenclaws circa 1999, Spock's NEWT obsessed, Hikaru's lost his green thumb, Jim proves he's not stupid, and there's a fight in the Great Hall. ~5K