Night of the Empty

Night of the Empty is the fourth episode of the sixth series of Doctor Who. It is also the first half of the first two-parter in the series.

Synopsis
"Everyone in the city must hear God's message." - 'Brother Kreios'

Tension between the Soviet Union and America is mounting. Nuclear war could be emminent, and someone is determined to make sure it happens. Someone who is more dangerous than any nuclear bomb or warhead. And he is not wanting to negotiate.