I really thought that Canton … was gonna play a much larger role. … And basically they call him back to bring the gasoline. [laughter] ‘Drive across country.’ … ‘Leave your elderly black husband….’ — Radio Free Skaro,
Doctor Who ‘The Impossible Astronaut’ @0:35:39

This story … is probably just Unit and a couple of government officials away from feeling like a complete Jon Pertwee story. True. Yeah. … It gave me the feel of the original ‘Doctor Who and the Silurians’. — Radio Free Skaro,
Doctor Who ‘The Hungry Earth’ @0:45:09