German BD of FOUR FLIES:
- Featurette: "The case of the Four Fly" with director Dario Argento, screenwriter Luigi Cozzi and actor Bud Spencer(approx. 93 minutes)
- Featurette: "Autopsy of a Fly," with writer and film critic Antonio Tentori (approx. 29 minutes)
- German, English and Italian Trailer
- English teaser trailer
- English and German opening credits
- Gallery with rare promotional material