: A recap of the entire series leading up to this installment. Technical Specifications
The Blu-ray edition (released as Insidious 4 - L'ultima chiave in Italy) features the fourth installment of the horror franchise, focusing on parapsychologist Dr. Elise Rainier's return to her haunted childhood home. Special Features & Bonus Material Insidious 4 - L ultima chiave [HD] (2018) Blura...
The Blu-ray includes over 20 minutes of additional footage and several featurettes: : A recap of the entire series leading
: An different conclusion to the film's climax. and the symbolism behind its creation.
: An introduction to the new demon, Keyface, and the symbolism behind its creation.