Grandmother? She seemed too young to be his grandmother. Also, what happened to his parents? I totally missed that. When I sate that I can't make out what these actors are saying, I was not kidding. When Graham said Grand-dad, all I heard was "Dad". Also why would anyone ask someone to call them "Granddad"? Dad, I get. Closer relationship. Granddad is a step removed.

Doctor River Song was represented as a bit of rogue, and using a gun didn't work real well for her either -- also that was several years back before the media began to realize wait -- we need to be anti-gun. Because look at all the kids into guns! ACK!