More Brains! A Return to the Living Dead (2011)
https://www.youtube.com/watch?v=HvuEdFEHKyI - from the Sterlmeister YouTube channel (2 hrs.)
The blurb:
“Retrospective documentary about the making of the horror cult classic ‘The Return of the Living Dead’ (1985).”
Backup link from thejohnsmithyetagain channel:
https://www.youtube.com/watch?v=OHJx1xkCBio