Being a pair of careful, rather close-mouthed coves, the chaps are not perhaps as sympathetic to Prime Ministers who don't sufficiently distinguish one form of ordnance from another - especially when a hostile Nation is just aching for a self-righteous war-wank. This episode also features a moment of self-doubt, a touch of shaudenfraude, a Song At The End, and a fascinating glimpse into a rift in the space/time continuum. You know what you are, cats and kittens? Spoilt - that's what.