4 BBC This World 2016 World War Three Inside the War Room
The heart of the programme was in the unscripted what-if discourse by the very senior figures who, a decade ago, might have been doing this for real. Bar the odd smirk, they were commendably committed to an intriguing debate about deterrence, realpolitik, cyber warfare and the busted flush that is Nato. Finally, they had to work out what to do with a Russian finger on the button of nuclear warheads targeted at London. The endgame was gripping and terrifying. Only a game though, eh? Phew.