He may have some way of telling their elapsed age if he picks them up again, but he has no way of telling whether the ages on the gravestone are the right elapsed ages. As I said, the gravestones – by giving an age, not a date – are giving him a message.

The message is ‘we are not giving you our final address’. Final address in time,…[Read more]

He could have rescued them – except he can’t, because he knows he didn’t. The gravestones are themselves a message – they have no dates that he could zero in on, just an age.

And Amy and Rory had already said in an earlier episode that they don’t really know their own ages any more, because of all the time they’ve spent travelling…[Read more]