Stranger Things' Parallel Universes Explained by a Scientist

Is The Upside Down A Parallel Universe?, by Gaddie

The Science of The Multiverse: Do Parallel Universes Exist? — Member's Area

Alternate realities, parallel universes, new dimensions: Doctor Who, Star Trek, Stranger Things and the science they get wrong

Stranger Things' Parallel Universes Explained by a Scientist

Stranger Things' Season 2 Final Monster Scene Explained

The Upside Down, Stranger Things Wiki

Stranger Things' Parallel Universes Explained by a Scientist

Science may have discovered evidence that a “Dr. Strange”-style multiverse is real

Is there evidence of an 'upside down' (parallel universe) like in Stranger Things? - Quora

Stranger Things in real life? Scientists conducting experiment to prove the existence of parallel universe - IBTimes India

Here's why the ~monster~ from Stranger Things looked so familiar to you - HelloGigglesHelloGiggles