"Sort of?" Steve says, thinking back to something Dustin had said. "Like I think the Upside Down's existed for a long time, maybe since the dinosaurs." Yeah, so he'd scoffed when Dustin said it. Whatever.

"But things didn't get really weird until the night Will Byers went missing," he goes on. "The girl with the superpowers opened the first gate and uh. Yeah. The gates are basically doorways between regular Hawkins and the Upside Down."

There's a brief pause, in which he reflects on that night he'd gone to apologize to Jonathan Byers and he'd seen his first demogorgon. "If this it too much I get it," he adds. "I thought I was losing my mind when I first found out about it."