It's rare that a TV show can sustain excellence over a long period while losing a much-loved central character, but the last series of detective drama Unforgotten (ITV, Sat/Mon, 9pm) was an exception.

Lately, we don't have to look far for doomsday news or potential policies that make us feel like a dystopian future will soon be our reality. Although we like to joke about it, we've seen pop culture ...