Netflix has released a trailer for Metalhead, an episode of the upcoming season 4 of the dystopian anthology series Black Mirror. They had previously released a trailer and poster the episodes titled Arkangel, Hang the DJ, and Crocodile. It was directed by David Slade (Hannibal, American Gods), and stars Maxine Peake (The Theory Of Everything, The Village), Jake Davies (The Missing, A Brilliant Young Mind), Clint Dyer (Hope Springs). There is no official release date at this time, with it expected sometime in 2018. They also released a poster for the episode via Twitter, which is above.