An exploration ship from a far off, far future humanity crashes bow first directly into the planet of Equus, leading to the eight individuals on board changing the course of history
A sidestory to Blacklight: Dead Man Walking. Deadman ends up in Equestria through the same, unfortunate accident, but finds himself in a land a thousand years before the events of the show...
Chrysalis, after being forcibly expelled from Canterlot, lands in a stoney wasteland like a bag of rocks. There, she discovers a sword with some entity inside which promises her the use of its powers in exchange for taking it with her.