They're both Men Of Knowledge, working behind the scenes, underpaid and underappreciated, to keep their worlds safe from ghastly things. It'd not that surprising that the Librarian and Bobby Singer are well acquainted. And of course, once a path has been beaten through anywhere, including L-space, others can follow. Especially if there's a trail of banana skins or empty bottles.

The Winchester brothers land in Lancre after a hunt goes wrong & the Discworld enjoys ripping down their ideas about good & evil. Rated T for possible violence & swearing in later chapters.

Lucifer calls Death into the world. What he gets is not exactly what he is expecting. Essentially crack

X-over. "All hail the glorious Spacetime Continuum of Paradoxial Planes!" "ALL HAIL!" Dean wakes up from a hunt-gone-bad, and finds himself in a nightmare worse than anything he could have imagined. This story exists for no other purpose than to amuse me.

The Winchesters have a bad day. Death has a worse one. Crack!Deathfic. SPNDiscworld crossover. Once again, this is crack.