Variety first reported that Disney has acquired the movie rights to The Chronicles of Prydain, and that the studio is in early development on the project, which has not yet been set with a producer, director or writer.

Based on five novels written by Lloyd Alexander and inspired by the Welsh mythology, the story is set in Prydain, a magical land engaged in a series of battles with its neighbor, Annuvin, the Land of Death. It follows the protagonist Taran Wanderer, from youth to maturity, an Assistant Pig-Keeper at Caer Dallben who initially dreams of being a grand hero.

Other key characters in his adventure are Princess Eilonwy, a girl his age, Fflewddur Fflam, a wandering bard and minor king, Gurgi, a wild hominid between animal and man, and Doli, a dwarf.