Of Doctor's and Detective's

The Doctor wakes up somewhere new, and while that's not odd for him, the crop of curly black hair on his head is. And when Sherlock wakes up on the TARDIS sporting a bow tie, his entire world is thrown for a loop. Can these geniuses figure out what's happened and set things right? Includes Johnlock, cause i'm a shameless shipper! Also rated T cause, y'know, I don't know!