So after finishing the third season of Stranger Things , I’ve been thinking about Season Four— Hopper is the American . Grigori, the Russian Terminator, refers to Hopper repeatedly as "the American." Nameless Soviet scientists enter the room before the explosion. The camera cuts away from Hopper but shows us the scientists going splat. When Joyce and Murray enter the room, the scientist splat is there but the grating where Hopper was standing is clean. Using the song "Heroes," I think, is another clue. That song played in the first season when we thought Will was dead. The last clue comes from the message you can hear if you dial Murray’s phone number (618-625-8313). The answering machine message is for Joyce and says they need to talk because he has news. (I think he’s been trying to track down Hopper). Kamchatka Kamchatka as the location of the Soviet base is significant. It’s an isolated peninsula in the Siberian wilderness—but close enough