It took a lot of work to bringStranger Things’monstrous demogorgon from the Upside Down to the screen.
This week, Spectral Motion shared footage from their original movement test of the demogorgon’s unsettling animatronics.
See theDemogorgon Animatronic Head Test.

Credit: Netflix
“Not in the computer but for real.
We’re specifically thinking about Ridley Scott’sAlien, John Carpenter’sThe Thing, and Clive Barker’sHellraiser.
So from very early on we knew we wanted to build an animatronic monster.”
They added that Spectral Motion went above and beyond in bringing their monster to life.
They had a life of their own, moving in unpredictable and bizarre patterns.
Read the Duffer Brothers' full breakdown of how they built the demogorgonhere.