No - that's 'Victors, Vulcans and Cuba' or somesuch and has been on several times as you say.
According to Channel Four, Britain's Cold War Super Weapons is not currently scheduled for repeat. But if, as I just did, you ring them on 020 7306 8333 (9am-9pm weekdays, 10am-9pm Saturdays, 10am-6pm (closed 1pm-2pm) Sundays and public holidays), they might change their minds if sufficent people ask....