Our first look at the final season of 'Stranger Things' is finally here. The teaser trailer for season five of the Netflix series just dropped. The new footage is heavy on special effects and spectacle. According to the season's official description, it's the fall of 1987 and "Hawkins is scarred by the opening of the Rifts, and our heroes are united by a single goal: find and kill Vecna. But he has vanished — his whereabouts and plans unknown."