The Diamond Ore Country is in crisis, and so the leader, Diancie, and her four Carbink butlers have decided to hunt down the legendary Pokémon, Xerneas, in order to try and resolve things. However, on the way, they encounter many trials.
Unfortunately the movie Pokémon: Diancie — Princess of the Diamond Domain is not yet available on HBO Max.
| Writing | Junichi Masuda | Writer |
| Writing | Ken Sugimori | Writer |
| Writing | Satoshi Tajiri | Writer |
