sentences:  I don't think I've ever experienced that with "Doctor Who" up till now... it's the tiny touches of mundanity amid the fantastical that lift the story even higher".Charlie Jane Anders and Javier Grillo-Marxuach of io9 included it on their list of "10 TV Episodes that Changed Television", citing "the sharp dialogue and clever use of time travel [that] prefigure everything Steven Moffat has done with the series in recent years.