A surprising new threat alters the gang’s plans to shovel snow for extra cash, bringing them face to face with danger and closer to a cool new student.

The kids look for answers about the mutant creatures plaguing their town and get a helpful lesson from Mrs. Baxter, their substitute science teacher.

As a blizzard bears down on Hawkins, Dustin goes on a side quest, and Max and Lucas hear a cry for help. A bold move lands some of the gang…

Lucas and Max seek higher ground to call in a Code Red. Across town, Will, Mike and Nikki are snowed in at school — and El can see they’re not…

Dustin finds danger at the Food Mart when two terrifying creatures break in. The gang gears up to go underground just in time for Nikki’s birthday.

In the wake of a shocking revelation, the H.I.C. digs in to investigate, splitting up into teams to search for more clues and uncover the truth.

With time running out, the party pulls together for a brave battle to stay alive. Friends have to help friends — because Hawkins’ future depends on it.