Eureka Entertainment are set to release Karloff Maniacal Mayhem Blu-ray this October in the UK.
The boxset contains three films, The Invisible Ray, Black Friday and The Strange Door.
Table of Contents
I’ve added a trailer at the bottom of this page to give you a flavour or what to expect.
Karloff Maniacal Mayhem Blu-ray
Eureka state that all films are presented from 2K scans of the original film elements.
Blu-ray Technical Specs
- Discs: 2
- Region: B
- Video: 1080p High Definition
- Aspect Ratio: 1.37:1
- Audio: TBC
- Optional English SDH
- Language: English
- Running Time: 230 mins approx
- Rating: PG
Special Features
- Limited Edition O-Card Slipcase (First print-run of 2000 copies only)
- New Audio Commentary Tracks on The Invisible Ray & The Strange Door with Authors Stephen Jones Kim Newman
- New Audio Commentary Track on Black Friday with Kevin Lyons & Jonathan Rigby
- “The Sire de Maletroit’s Door” radio adaptations
- Stills Galleries
- Trailers
- Collector’s Booklet
Purchase Information

You can own the Blu-ray now for £20.99 from Amazon. (Price correct as of 12th June 2025).
Alternatively you can purchase directly from Eureka Entertainment’s website also for £18.99.
The Amazon links on this page are affiliate / associate links. By buying through the links we may receive a commission for the sale.
Release Date
Blu-ray releases 17th October 2022 in the UK.
Watch The Trailer
Recent Blu-ray News / Releases
What Do You Think?
Will you be picking Karloff Maniacal Mayhem Blu-ray this October? Let me know over on the Popcorn Cinema Show Facebook or Twitter pages.
Don’t forget to check our Blu-ray release dates page for more upcoming films.
You can keep up to date with all the Latest Blu-ray Releases in the UK over on the Popcorn Cinema UK Blu-ray & DVD Release Dates pages.


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