Phenomena 4K: Limited Edition

• Booklet contains essays by Mikel J. Koven, Rachael Nisbet, and Leonard Jacobs. Information about the cast and crew and the 4K restoration is also included.

Disc 1

• Commentary features film historian Troy Howarth.
  
• "Of Flies and Maggots" (120:13, HD) is a 2017 making-of documentary on "Phenomena," featuring interviews with director Dario Argento, screenwriter Franco Ferrini, executive producer Angelo Iacono, special optical effects artist Luigi Cozzi, cinematographer Romano Albani, special FX artist Sergio Stivaletti, makeup artist Pierantonio Mecacci, underwater camera operator Gianlorenzo Battaglia, assistant director Michele Soavi, composers Simon Boswell and Claudio Simonetti, and actors Davide Marotta, Fiore Argento, and Daria Nicolodi.
  
• "Jennifer" (4:11, SD) is a music video from composer Claudio Simonetti.
  
• Japanese Pressbook pages are collected.
• Italian Theatrical Trailer (2:36, HD) and an International Theatrical Trailer (2:36, HD) are included.

Disc 2

• Commentary on the "International Version" features film historian David Del Valle and author Derek Botelho.
  
• "The Three Sarcophagi" (31:02, HD) is a video essay by Michael MacKenzie, exploring the differences among the three versions of "Phenomena" included on this release.
  
• U.S. Radio Spots (1:03) offer two commercials for "Creepers."
• U.S. Theatrical Trailer (1:27, HD) for "Creepers" is included.