The beloved science-fiction Stranger Thingsrecenmtly dropped a teaser for the Season 4. The teaser officially revealed that Jim Hopper played by David Harbour, is not dead and he is now jailed in Russia. Recently he was shown to sacrifice his life for closing the doorway to the “other side” shown in the TV series. He also saved the whole town of Hawkins, Indiana again. Just after that, the TV show's season 3 ended with a mid-credits scene of a Russian jail where we saw a strange "American" as well as a creature from other things who was imprisoned.