Like the best episodes of The Twilight Zone, the
best episodes of Black Mirror do not just plunk us down in a weird dystopian landscape; they provide just enough moral guidance to lead us through that landscape.
Trivia fans may note this was the last film of William Fawcett, who featured in classic shows The Twilight Zone, The
Untouchables and Dr Kildare.
On its first foray into the twilight zone, the
Deep-See has already challenged scientists' previous understanding of life in the deep ocean.