Itunes is having a $9.99 flash sale on several 4K movies. You’ll need Itunes installed in order to purchase.
Dunkirk (4K DolbyVision)
https://itunes.apple.co
Lego Ninjago Movie (4K DolbyVision)
https://itunes.apple.co
Dark Knight Trilogy (4K DolbyVision – $9.99 each movie)
https://itunes.apple.co
Thank You For Your Service (4K HDR)
https://itunes.apple.co
Batman V Superman (4K DolbyVision)
https://itunes.apple.co
Logan (4K HDR)
https://itunes.apple.co
Deadpool (4K HDR)
https://itunes.apple.co
FYI, These won’t transfer over to your VUDU or Movies Anywhere account as 4K if they transfer at all.