Discotek Media has announced that it has licensed The Twelve Kingdoms and Nagasarete Airantou anime for Blu-ray Disc, and will also release the Sonic X anime on Blu-ray Disc. All three Blu-ray Disc sets are scheduled to be released on May 28, 2019.
The Twelve Kingdoms release will have all 45 episodes in 1080p, and will have Japanese audio with English subtitles, as well as the English dub.
The Nagasarete Airantou release will have all the episodes in 1080p, available in Japanese audio with English subtitles.
The Sonic X release will have all 78 episodes in standard definition. It will have the English dub, and optional English closed captions.