Stranger Things Season 5: What is the Abyss?

Published: Friday, December 26, 2025 at 1:01 am

Stranger Things Season 5 Unveils the Secrets of the Upside Down

The latest installment of *Stranger Things* has significantly expanded the show's mythology, revealing the true nature of the Upside Down. The series, which has captivated audiences for years, has unveiled that the Upside Down is not an alternate dimension, but a wormhole connecting our world to a realm known as the Abyss.

The Abyss, a place of "pure chaos and evil," is the original home of creatures like the Mind Flayer and Demogorgons. This dimension, characterized by bleak landscapes and floating rock formations, serves as the hiding place for the villain, Henry Creel/Vecna. The show's narrative has established that Vecna, along with the Mind Flayer and Demogorgons, utilize the Upside Down as a pathway to access our world.

The creation of the Upside Down wormhole is attributed to Eleven. Following the massacre at Hawkins Lab in 1979, Eleven banished Henry to the Abyss. Her subsequent psychic experiments, aimed at finding him, led to her making contact with a Demogorgon, which in turn, created the gate to the Upside Down.

The wormhole is held together by exotic matter, a source of energy that keeps the walls of the Upside Down intact. The destruction of this exotic matter is crucial to the heroes' plan to prevent Vecna from merging the Abyss with our world.

BNN's Perspective: The revelation of the Upside Down's true nature adds a layer of scientific intrigue to the show's already compelling narrative. While the show's exploration of wormholes and exotic matter may be simplified for entertainment, it does offer a thought-provoking blend of science and fiction. The upcoming finale promises a climactic battle, and we hope the heroes can find a way to save the world.

Keywords: Stranger Things, Season 5, Upside Down, Abyss, Vecna, Henry Creel, Mind Flayer, Demogorgons, wormhole, exotic matter, Eleven, Netflix, finale

Full Story