[Pre-Milliways: Baker Street 221B: The Good Doctor]"I will stop by in the evening, I think," he said. "Half-past six or so, and I might stay for a bit of supper as well, if he is amenable." Giving Mrs. Hudson a reassuring smile, he picked up his bag, took his hat in one hand, and stepped out the door.
...into a pub. Which made not the slightest sense at all, in fact, and he should have liked to ask Mrs. Hudson just what she was about, decorating for Christmas in such a peculiar way, except that the door had closed behind him. Well, the establishment was full of (rather odd) patrons, and asking for directions back out onto the street should be simple enough.
It was at that moment that he caught sight of the observation window, and the literally earth-shattering event outside it. His medical bag thumped to the floor, falling from suddenly limp fingers, and he brought the other hand up to his chest, over his heart, still holding his hat. "Dear God in heaven."
Yes, welcome to Milliways, Dr. Watson.