Sherlock Special – a clip!

We’ve known for a while that there’s going to be a one-off special episode of Sherlock, before another series is made. We’ve also known that it’s being set in the original Sherlock Holmes time period. What we haven’t known is exactly what’s going on with that. Well, we now have a hint in the form of a short clip, which suggests levels of self-reference and metawossnameness that will make heads spin. Looks like fun, anyway: