In "Chapter One: Madmax," the Season 2 premiere of Stranger Things , the characters grapple with the lingering effects of the Upside Down in October 1984 while new threats emerge. Will Byers suffers from unsettling visions of a massive, shadowy creature, and newcomers Max and her brother, Billy, shake up the social dynamic in Hawkins. The episode, which sees the group adapting to a new normal, concludes with the reveal of Eleven's secret, safe location and a mysterious discovery by Dustin.