STEP AWAY FROM THE BAT!JOHN, PA.

I KNOW.  I’M TRYING.  But wouldn’t it be cool?

I always liked those stories where two sentient species couldn’t really communicate and had to, like, resort to charades and stuff to talk.  What if he found batJohn in Baskerville while investigating the hound thing and then John got out and hid in his coat but then they wanted batJohn back because OMG BATS CAN CARRY VIRUSES WITHOUT BEING INFECTED.  THEY WERE TRYING TO GENETICALLY ENGINEER A TINY ASSASSIN.  And now they want batJohn back and Sherlock KNOWS TOO MUCH and—

SOMEBODY TAKE IT AWAY FROM ME.