Ahaha that was my father's reaction exactly. Then I told him Cumberbatch had initially been cast as Eleven and that Moffat is one of the writers (? producers? I can't remember) for Who and he was like IT ALL MAKES SENSE NOW.

You've seen it now, right? What did you think! Also you should download it because apparently PBS cut out some pretty important scenes.

Things seem to be working themselves out. :)