Pokemon: Season 0, Episode 17

0 - 17: Arceus and the Jewel of Life (Movie 12)

Ash and his friends, accompanied by their new companion Sheena, travel in time with Dialga’s help to right the mistakes of the town’s ancestors before the world crumbles under the power of Arceus’s rage. Will they be able to fix the mistakes of the past? What really happened in the past—did Sheena’s ancestors truly betray Arceus?.