No backdrop availableLevel Seven19661hNo ratings yetScience FictionTV MovieSave to watchlistMark as seenOverviewLevel 7 is the deepest and the safest level in a nuclear bunker. The nerve centre of the government is based here. But how safe is it?DetailsStatusReleasedRelease dateOctober 27, 1966Original languageEnglishProductionBBC TVBudgetNot recordedRevenueNot recordedIMDbtt0279922