[ Just the one but somehow he gets the feeling Holmes might be insulted if he were to suggest this was just a dream. ]

Not really. Time travel is still only regarded as Science-fiction where I'm from. The only way it would be possible would be through a dream or particularly good book.

Other than that, I just sort of found myself here and that guy-[ He gestures to the unconscious purse snatcher ] Stole that lady's purse so I gave chase.