Watched Prisoner of Azkaban with the kids today. I didn't compare with the old Blu-ray, but the 4K disc was noticeably a big drop in quality from Chamber of Secrets.
If I'm not mistaken, this was the first movie in the series to have a full end-to-end DI (at 2K resolution) when produced, and...
I'm currently working through the Harry Potter series with my kids, reading the books and then watching the relevant movie after each one. I had already owned them all on Blu-ray, so that's how we watched Sorcerer's Stone. Rewatching it, I was almost shocked at how bad the Blu-ray looks. Very...