Like the mud, this one sucked me in more and more as it went along. The conceit of the Professor giving a lecture and poor Gavin experiencing it as she sifts through his life, is pretty neat. A shame he didn't learn to lip-read sooner, huh? A very nicely paced story, and oh, how I laughed at the first thing Gavin said to Irene!

a very moffat story, but i mean that positively in this case. i do enjoy the insistence in doctor who that no one is unimportant. helps my depression