The finale of Stranger Things Season 3 is emotionally devastating. 1 / 8
Not only does Billy Hargrove receive a moment of heroic sacrifice ... 2 / 8
... but Chief Hopper seemingly dies in an explosion while sealing the gate to the Upside Down. 3 / 8
However, there's a surprise post-credits scene that hints all may not be lost. 4 / 8
It picks up three months after the events of the finale, in a Russian facility. 5 / 8
The Soviets have an unnamed American prisoner ... 6 / 8
... as well as a Demodog, which suggests they succeeded in opening the Upside Down. 7 / 8
Was Hopper transported to the Upside Down by the explosion, and rescued by the Russians? 8 / 8