And it's worth pointing out that this will be available free, worldwide, through the BBC iPlayer, both live and streaming afterwards. We will run links. But it can also be bought on CD in January.
But before that, here is Sean's realisation of characters from the series, as portrayed by the actors in question.
Firstly, Peter Serafinowicz as the demon Crowley and Mark Heap as the angel Azarophale from Episode 1.
And secondly (and exclusively from Bleeding Cool, natch) Charlotte Ritchie as Anathema Device and Colin Morgan as Newton Pulsifer from Episode 3.
While cartoonist Simon Gurr drew Neil Gaiman and Terry Pratchett who cameo as traffic police… and you can hear them do that below.
More to come!