- New 2K restoration by Arrow Films from the original camera negative
- High Definition (1080p) Bluray presentation
- Original lossless mono audio
- Optional English subtitles for the deaf and hard of hearing
- New audio commentary by Guy Adams and Alexandra Benedict, creators of the audio drama Arkham County
- The Door into Dunwich, a new conversation between film historian Stephen R. Bissette and horror author Stephen Laws in which they discuss The Dunwich Horror, Lovecraft, and their memories of seeing the film on release
- After Summer After Winter, a new interview with science fiction and fantasy writer Ruthanna Emrys, author of The Innsmouth Legacy series
- The Sound of Cosmic Terror, new interview with music historian David Huckvale in which he takes a closer look at Les Baxter’s score for The Dunwich Horror
- Theatrical trailer
- Image gallery
- Reversible sleeve featuring original and newly commissioned artwork by Luke Preece
FIRST PRESSING ONLY: Illustrated collector's booklet featuring new writing by film critics Johnny Mains and Jack Sargeant
