'Stranger Things' is returning for a fourth season on Netflix. The makers of the Sci-fi drama have now officially released the teaser confirming that David Harbour‘s character Chief Jim Hopper is coming back to life from the dead. But, there is a twist in the fourth season's tale for which fans have to wait for its premiere. However, the filming for the season has kicked off on January 7 but there is no premiere date for 'Stranger Things' season 4 as of now.