Apple iTunes has digital versions of several Anime seasons for $4.99 each – hopefully Amazon will price match
Black Butler: Book of Circus, Season 3 https://itunes.apple.co
Death Parade (Original Japanese Version) https://itunes.apple.co
Death Parade (English Dubbed Version) https://itunes.apple.co
Sankarea, Season 1 https://itunes.apple.co
Seraph of the End: Vampire Reign (Original Japanese Version), Season 1, Pt. 1 https://itunes.apple.co
Seraph of the End: Vampire Reign, Season 1, Pt. 1 https://itunes.apple.co
Seraph of the End: Vampire Reign (Original Japanese Version), Season 1, Pt. 2 https://itunes.apple.co
Seraph of the End: Vampire Reign, Season 1, Pt. 2 https://itunes.apple.co
Serial Experiments Lain, The Complete Series https://itunes.apple.co
Zombie Land Saga (Original Japanese Version) https://itunes.apple.co
Zombie Land Saga https://itunes.apple.co