: The Mind Flayer , a giant shadow monster with a hive mind controlling "Demodogs". New Characters :
Joyce’s kind, tech-savvy boyfriend is the season’s heart. He figures out the lab’s computer map of the tunnels, saves the group from possessed Will, and famously says, “I’ll go down the hall and reset the breakers.” He succeeds but is killed by a Demo-dog right as he reaches Joyce. His death fuels the final act’s emotional stakes. Stranger Things S02 Season 02 Complete 720p WEB...
— Dustin finds a strange creature; Bob encourages Will to face his fears. : The Mind Flayer , a giant shadow