Extras:
UK AND U.S. VERSIONS OF THE FILM
NEW 4K REMASTER OF THE U.S. VERSION STRUCK FROM AN INTERPOSITIVE from the 20th Century Fox vaults
NEW audio commentary with author Troy Howarth
NEW audio commentary with filmmaker Constantine Nasr and writer/producer Steve Haberman
Audio commentary with cast members Christopher Lee, Suzan Farmer, Francis Matthews, Barbara Shelley
World of Hammer episode "Dracula and the Undead"
Back to Black – The Making of Dracula -Prince of Darkness
Super 8mm Behind-the-Scenes footage
Theatrical Trailers
Still Gallery
Optional English SDH subtitles for the main feature

QUICK SUMMARY:
Disc Title: Dracula  Prince of Darkness
Disc Size: 48,710,809,600 bytes
Protection: AACS
BD-Java: Yes
Playlist: 01002.MPLS 
Size: 21,610,106,880 bytes
Length: 1:30:14.541
Total Bitrate: 31.93 Mbps
Video: MPEG-4 AVC Video / 28000 kbps / 1080p / 24 fps / 16:9 / High Profile 4.1 /
Audio: English / DTS-HD Master Audio / 2.0 / 48 kHz / 1567 kbps / 24-bit (DTS Core: 2.0 / 48 kHz / 1509 kbps / 24-bit)
Audio: English / Dolby Digital Audio / 2.0 / 48 kHz / 192 kbps
Audio: English / Dolby Digital Audio / 2.0 / 48 kHz / 192 kbps
Audio: English / Dolby Digital Audio / 2.0 / 48 kHz / 192 kbps
Subtitle: English / 24.698 kbps