: While trick-or-treating, Will is taunted by bullies and suddenly "flashes" into the Upside Down, where he sees a massive, spider-like shadow monster��봳he Mind Flayer��봳owering in the sky.
"Stranger Things" Chapter Two: Trick or Treat, Freak (TV Episode 2017) [S2E2] Chapter Two: Trick or Treat, Freak
: Flashbacks reveal that Eleven escaped the Upside Down shortly after the Season 1 finale by widening a temporary portal in the school. In the present, she is living in secrecy with Hopper, who forbids her from going trick-or-treating for her safety, leading to a tense "compromise" where they plan to celebrate at home together. : While trick-or-treating, Will is taunted by bullies
: At a Halloween party, Nancy struggles with her guilt over Barb��셲 death. After getting drunk, she has a volatile argument with Steve, admitting she doesn't love him and calling their relationship "bullshit," which prompts Jonathan to drive her home. : At a Halloween party, Nancy struggles with
: Chief Hopper investigates a mysterious plague rotting local pumpkin patches, discovering a strange, grey slime that suggests the Upside Down is physically encroaching on Hawkins.