A new Black Mirror episode has cast a chilling outlook on the rise of robotic companions like Boston Dynamics' nimble mechanical'dogs.' Boston Dynamics' videos chronicling the dogs' progression have risen to viral fame – but, despite their popularity and incredible abilities, some people, including the show's creators, have noticed something unnerving about the robo-dogs. In a new episode titled'Metalhead' from the just-released fourth season, Black Mirror explores what could happen if these machines turned on us, revealing the terrifying quest for survival in a world where robo-dogs can outrun and outsmart humans. For viewers, the appearance of the human-hunting robo-dogs may feel shockingly close to home. The episode came about, in part, 'from watching Boston Dynamics videos,' creator Charlie Brooker told EW Robert Daly presides over his crew with wisdom and courage. But a new recruit will soon discover nothing on this spaceship is what it seems.'