Harbour, who plays Jim Hopper in the Netflix series, shared the teaser or Stranger Things season four on Instagram which reveals that Hopper is alive. The last season of the show left many unanswered questions but the biggest question was whether Hopper was alive or not. The 50-second teaser takes the audience back to Russia where people working on train tracks can be seen with a glimpse of a clean shaved Hopper at the end.