Season
Season 5 Episode
- Season 4 Chapter One: The Hellfire Club
- Season 4 Chapter Two: Vecna's Curse
- Season 4 Chapter Three: The Monster and the Superhero
- Season 4 Chapter Four: Dear Billy
- Season 4 Chapter Five: The Nina Project
- Season 4 Chapter Six: The Dive
- Season 4 Chapter Seven: The Massacre at Hawkins Lab
- Season 4 Chapter Eight: Papa
- Season 4 Chapter Nine: The Piggyback
Stranger Things - Season 4 Episode 4 Chapter Four: Dear Billy
8.59 48 minutes Max is in grave danger... and running out of time. A patient at Pennhurst asylum has visitors. Elsewhere, in Russia, Hopper is hard at work.
