Chief of War star Jason Momoa recently revealed that most of the series is in Hawaiian, with English appearing gradually in later episodes. Following the show’s release on Apple TV+, Momoa explained that he and co-creator Thomas Paʻa Sibbett insisted on using ʻŌlelo Hawaiʻi to preserve cultural and historical authenticity,

Momoa is one of the creators of the Apple TV+ period series that shines a light on a violent era in Hawaiian history.