I'd threaten spoilers, but I'm not entirely sure I'm capable.
Not what was I was expecting. Not what I was hoping for. But damn, what a sweet spot.
Much was redeemed. Not nearly enough. But it's half old-school Sherlock, half James Bond, and 100% Moffat gold.
I suppose I should have a proper response of sorts, but rally I just feel too dazed. Best to sleep on it, I think.