(1.) Audio commentary by writer Nigel Kneale and director Val Guest (1998)
(2.) Audio commentary by film historian Ted Newsom (2019)
(3.) Audio commentary by film historian Steve Haberman (2019)

“Val Guest: Quatermass and the Hammer Experience” archival video interview (20:56)
2019 interview with special effects artist Brian Johnson (3:10)
2019 interview with third assistant director Hugh Harlow (1:41)
"World of Hammer: Sci-Fi" 1990 TV episode (25:39)
U.S. Theatrical Trailer ("Enemy from Space") (1:54)

English HoH

1.75:1

1080p24 AVC MPEG-4

English DTS-HD Master Audio 2.0 Mono (48kHz, 1509Kbps, 16-bit)

Keep Case

Cover erroneously cites a 1.37:1 aspect ratio.
Comes with a reversible cover.

DISC ONE (Blu-ray)
* "The Quatermass Xperiment" (78:38)
* "X the Unknown" (76:25)
* The Film

DISC TWO (DVD)
* "The Quatermass Xperiment"

None

1.37:1

1080i50 AVC MPEG-4

English LPCM 2.0 Mono (48kHz, 1536Kbps, 16-bit)

Keep Case

5021456196388

An open matte transfer.
No company logo at the beginning.
There are reports that the X the Unknown and Quatermass 2 are actually in upscaled SD (in 1080i50).
Also available in a 13-disc "Hammer Horror: The Blu-ray Collection" set, with Dracula: Prince of Darkness, The Plague of the Zombies, Quatermass and the Pit, Rasputin the Mad Monk, The Devil Rides Out, The Mummy's Shroud, The Reptile, Frankenstein and the Monster from Hell, Frankenstein Created Woman, The Witches (1966) and The World of Hammer (1990).

Special thanks to Rewind user John Mission for providing these specifications.

* The Film: British Version (84:41)
* The Film: German Cinema Version (84:24)
(1.) Audio commentary on the British version by writer Nigel Kneale and director Val Guest (in English with optional German subtitles) (1998)
(2.) Audio commentary on the British version by film historians Dr. Rolf Giesen and Volker Kronz (in German) (2020)
(3.) Audio commentary on the British version by film historians Dr. Rolf Giesen and Volker Kronz (in English) (2020)
U.S. Theatrical Trailer (1:52)
British Super-8 Version (23:38)
"World of Hammer: Science Fiction" 1990 TV episode (in English with German subtitles) (25:36)
German Advertising (1:05)
U.K. Comic Adaptation (10:59)
Film Programme (1:17)
Still Gallery (4:07)

British Version
German (optional)
German Cinema Version
None

1.75:1 / 1.37:1

1080p24 AVC MPEG-4

British Version
English DTS-HD Master Audio 2.0 Mono
German DTS-HD Master Audio 2.0 Mono
German Cinema Version
German DTS-HD Master Audio 2.0 Mono

Keep Case

DISC ONE: Blu-ray 4K

DISC TWO: Blu-ray 4K

DISC THREE: Blu-ray
* The Film: 1.66:1 UK Theatrical Version (85:05)
* The Film: 1.37:1 As-filmed Version (85:05)
(1.) Audio commentary on the 1.66:1 version with film historians Toby Hadoke, Andy Murray and Stephen Bissette (2024)
(2.) Audio commentary on the 1.66:1 version with film historians Brontë Schiltz and Jon Dear (2025)
(3.) Audio commentary on the 1.37:1 version with co-writer-director Val Guest (1998)
(4.) Audio commentary on the 1.37:1 version with co-writer Nigel Kneale and film historian Marcus Hearn (1998)
(5.) Audio commentary on the 1.37:1 version with co-writer-dirctor Val Guest, co-writer Nigel Kneale and film historian Marcus Hearn (1998, an amalgamation of the two commentaries above done for the 2003 DVD)
"The Legend of Nigel Neale, Part Two: Enemy from Space" 2025 documentary (43:29)
"Val Guest, Quatermass and the Hammer Experience" 2025 featurette (20:24)
2003 Val Guest Interview (8:51)
Textless Main Titles (Mute) (1:13)
Textless End Titles (Mute) (0:55)
Spanish Min and End Titles (Mute) (2:03)
Super 8 Cutdown (23:38)
UK Censor Card (0:09)

DISC FOUR: Blu-ray
* The Film: 1.85:1 US Theatrical Version (Enemy from Space) (85:05)
(6.) Audio commentary with film historian Ted Newsom (2019)
(7.) Audio commentary with film historians Constantine Nasr and Steve Haberman (2019)
"Doubling Down: Uncovering Quatermass 2" 2025 documentary (39:29)
"Man of Action: A Look at Brian Donlevy" 2025 featurette (15:24)
"A Question of Character: Perspectives on Donlevy's Quatermass" 2025 featurette (12:26)
"Quatermass Crew" 2025 interviews with special effects assistant Brian Johnson and third assistant director Hugh Harlow (7:20)
"Reviving Quatermass 2" 2025 featurette (4:11)
Enemy from Space Trailer (1:54)
Enemy from Space Widescreen Trailer (1:54)
Italian Trailer (2:11)
Spanish Trailer (1:55)
Brazilian Portuguese Trailer (1:54)
Image Gallery (slideshow set to James Bernard's score) (14:14)

DISC FIVE: TV Version Blu-ray
Episodes (no play all function - 188:05):
- "Episode 1: The Bolts" (31:39)
- "Episode 2: The Mark" (29:47)
- "Episode 3: The Food" (33:05)
- "Episode 4: The Coming" (29:30)
- "Episode 5: The Frenzy" (30:38)
- "Episode 6: The Destroyers" (33:26)

English HoH, French, German, Italian, Spanish

1.37:1/1.66:1/1.85:1

1080p24 AVC MPEG-4

English DTS-HD Master Audio 5.1 (48kHz, 24-bit)
English LPCM 2.0 Mono (48kHz, 24-bit)
German DTS 2.0 Mono (48kHz, 768Kbps)
Italian DTS 2.0 Mono (48kHz, 768Kbps)

Special Case

5061058620294

Comes in a digipack that fits inside an in er card slipcase which holds the booklets and then this fits inside a black outer hardbox case.
Comes with:
- A 176-page liner notes book "The Quatermass Papers, Volume Two": "One of Hammer's Best Films in Any Genre" by Bruce Hallenbeck, "The Two Quatermasses" by Andrew Pixley, "Beyond the Planet of the Dragons" by Andy Murray, "Never Have I Seen a More Frightening Scene" by Edith Nepean, "Slightly Sacrilegious" by Stephen Laws, "Hemel Hempstead Gothic" by Jon Dear, "I'd Joined the Val Guest Rep" an interview with Barry Lowe conducted by Wayne Kinsey and "There is a Limit to the Disgusting and the Horrible" by Wayne Kinsey. Also includes production paperwork (Danziger Studios agreement), Bank of America financing agreement, Val Guest's contract (extract), James Bernard's contract (extract), Brian Donlevy's contract, covering letter for Sid James' contract, exhibitors' campaign book, European releases posters, French flyer, German programme, German programme, Kinematograph weekly previews, Mexican lobby cards, notes on the cast and crew, list of limited edition contents, thanks and disc credits.
- "Quatermass 2: Enemy from Space" 60-page graphic novel first printed in Halls of Horror 23, August 1978.
- Eight reproduction lobby cards from the US release.
- Double-sided, fold-out poster featuring UK and French and key art.