Netflix’s new teaser for "Stranger Things" season 5 gives fans a glimpse of the final battle, with Eleven, the gang, and the Upside Down all returning.

ET breaks down the first full trailer for 'Stranger Things' season 5 including, who's returning and how things pick up after season 4's explosive ending. Part one of 'Stranger Things' season 5 streams Nov.

A clip from season 5 shows some characters in Stranger Things moving through what looks like an underground bunker. This may imply that they are under government supervision after the situation spiraled out of control in the season 4 finale. It will be interesting to see how this development impacts the story in season 5.