Chapter Seven: The Lost Sister

1Chapter One: MADMAX

48 minOct 27, 2017★ 8.4

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.

2Chapter Two: Trick or Treat, Freak

56 minOct 27, 2017★ 8.0

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.

3Chapter Three: The Pollywog

51 minOct 27, 2017★ 8.2

Dustin adopts a strange new pet, and Eleven grows increasingly impatient. A well-meaning Bob urges Will to stand up to his fears.

4Chapter Four: Will the Wise

46 minOct 27, 2017★ 8.3

An ailing Will opens up to Joyce -- with disturbing results. While Hopper digs for the truth, Eleven unearths a surprising discovery.

5Chapter Five: Dig Dug

58 minOct 27, 2017★ 8.3

Nancy and Jonathan swap conspiracy theories with a new ally as Eleven searches for someone from her past. “Bob the Brain” tackles a difficult problem.

6Chapter Six: The Spy

52 minOct 27, 2017★ 8.5

Will's connection to a shadowy evil grows stronger, but no one's quite sure how to stop it. Elsewhere, Dustin and Steve forge an unlikely bond.

7Chapter Seven: The Lost Sister

46 minOct 27, 2017★ 6.8Now viewing

Psychic visions draw Eleven to a band of violent outcasts and an angry girl with a shadowy past.

8Chapter Eight: The Mind Flayer

48 minOct 27, 2017★ 8.6

An unlikely hero steps forward when a deadly development puts the Hawkins Lab on lockdown, trapping Will and several others inside.

9Chapter Nine: The Gate

62 minOct 27, 2017★ 8.5

Eleven makes plans to finish what she started while the survivors turn up the heat on the monstrous force that's holding Will hostage.