Review to the 4K UHD Blu-ray release of DUNE PART TWO. Only a 4K disc in this pack but the steelbook version did include the Blu-ray. All the extra features are contained within the 4K disc so there shouldn't ever be a requirement for the Blu-ray assuming you have the requisite 4K disc player. Sound is Dolby Atmos with an option for 5.1. Image aspect ratio is 2.40:1 throughout and not the 1.90:1 plus about an hour of 1.43:1 as seen in faux IMAX theatres and genuine IMAX theatres where 15/70 blow up prints were screened (only 12 prints worldwide). To see my review of the 2021 DUNE 4K UHD Blu-ray: https://www.youtube.com/watch?v=iJGOwfEbCBg&t=1s&pp=ygUaZHVuZSA0ayB1aGQgYmx1LXJheSByZXZpZXc%3D I mention Trevor at Double Bill Movies in this video and this link will take you through to the relevant section of one of his videos to learn all about the different capacities of 4K discs and how to identify them: https://youtu.be/qEeofrSl7Gw?t=212