Not sure -I think it was a series, but most likely in the early 90s.
(
Colonel Boris "...a desperate Buzzfeed imitation...",
Thu 7 Oct 2010, 14:46,
archived)
The Watch House?(based on the book by Robert Westall, for ease of googling)
(
emvee cruor deo cruoris,
Thu 7 Oct 2010, 14:53,
archived)