Black Mirror is coming back to depress us all, and Netflix has revealed the cast and directors for season four's episodes. If you thought the last season was perhaps a little too happy-go-lucky, the teaser below might reassure you that showrunner Charlie Brooker hasn't lost sight of what made the Twilight Zone-meets-modern-technology anthology series so compelling. Per Deadline, Jodie Foster is behind the camera for "Arkangel," which looks to focus on a family's new tablet.