Volume one, consisting of four episodes, will be available on November 26 from 5pm PST (1am GMT).
Volume two, with three episodes, will be released on Christmas Day; and the finale, titled “The Rightside Up,” will be shared on New Year’s Eve.
The season takes place in the fall of 1987, with the characters uniting to find and kill Vecna while the government quarantines Hawkins and hunts for Eleven.