The return of Moriarty. The crime of the century. Can Sherlock possibly survive?
Genre: Mystery
Chapter Two: Trick or Treat, Freak
After Will sees something terrible on trick-or-treat night, Mike wonders whether Eleven's still out there. Nancy wrestles with the truth about Barb.
Chapter One: MADMAX
As the town preps for Halloween, a high-scoring rival shakes things up at the arcade, and a skeptical Hopper inspects a field of rotting pumpkins.
Chapter Eight: The Upside Down
Dr. Brenner holds Hopper and Joyce for questioning while the boys wait with Eleven in the gym. Back at Will's, Nancy and Jonathan prepare for battle.