Re: And the title of the Gaiman episode is...
Well IAGMTW Rory had a question, "Where is My Wife?" and a message from the Doctor, which was more or less answer the question or be destroyed.
And anytime a title mentions the Last of something, expect it not to be the last.
On the continent of wild endeavour in the mountains of solace and solitude there stood the citadel of the time lords, the oldest and most mighty race in the universe looking down on the galaxies below sworn never to interfere only to watch.