I loved it. it was funny, fast, a lot of "what just happened?!"
   - and the spookiness weaved throughout. kept asking myself,
   "When the heck is River joining in?" - watching the Doctor get
   angry, "oh, that's new!" - and seeing him get one pulled over on
   him - twice in one episode - which is pretty rare. And the final
   reveal made me do what Amy and Rory do: made me drop my jaw
   open. "