RITORNO AL FUTURO (1985)DVD5 DVD9 480i/p 576i/p HD 720i/p FullHD 1080i/p UHD 2160i/p BluRay 1:1 Full 4K RITORNO AL FUTURO ā PARTE II (1989)DVD5 DVD9 480i/p 576i/p HD 720i/p FullHD 1080i/p UHD 2160i/p BluRay 1:1 Full 4K RITORNO AL FUTURO ā PARTE III (1990)DVD5 DVD9 480i/p 576i/p HD 720i/p FullHD 1080i/p UHD 2160i/p BluRay 1:1 Full 4K