Funnily enough, what with posting 4 chapters of fic this week, I didn't have much time for writing this. Not that I had a lot of thoughts, but I wrote down some quotes and stuff. Spoilers will eat you, starting with your bottom...
This is late, but I got there. Written in rather a hurry though, so I hope you won't mind if sometimes I've not managed to put my thoughts across as clearly as I could have wished.
First of all: Yes, this was a *scary* episode - certainly for children! VERY scary, because the 8 y.o. came into our bedroom in the middle of the night because she couldn't sleep. THANK YOU Moffat, mission accomplished. (::grumblegrumblegrumble::)