Netflix's "Black Mirror" is a provocative, imaginative, and often extremely disturbing sci-fi horror TV anthology that represents some of the best material on the streaming titan, and now a bold new Season 7 trailer has been unleashed with a callback to one of the finest episodes of Season 4 (and perhaps the entire series) titled "USS Callister.

Netflix released the first trailer for the 7th season of Black Mirror this past Thursday (13), revealing that it will bring a sequel to an episode from the fourth season. This isn’t the first time the show hints that some episodes take place in the same universe,